1893702852 has 18 divisors (see below), whose sum is σ = 4786860078. Its totient is φ = 631234272.

The previous prime is 1893702829. The next prime is 1893702869. The reversal of 1893702852 is 2582073981.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1302921216 + 590781636 = 36096^2 + 24306^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1893702852² = 7172220983345867808, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1893702798 and 1893702807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26301393 + ... + 26301464.

It is an arithmetic number, because the mean of its divisors is an integer number (265936671).

Almost surely, 2^1893702852 is an apocalyptic number.

1893702852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1893702852 is an abundant number, since it is smaller than the sum of its proper divisors (2893157226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1893702852 is a wasteful number, since it uses less digits than its factorization.

1893702852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52602867 (or 52602862 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 1893702852 is about 43516.6962440854. The cubic root of 1893702852 is about 1237.1924975783.

The spelling of 1893702852 in words is "one billion, eight hundred ninety-three million, seven hundred two thousand, eight hundred fifty-two".