1898072852 has 48 divisors (see below), whose sum is σ = 3724521360. Its totient is φ = 840333312.

The previous prime is 1898072851. The next prime is 1898072873. The reversal of 1898072852 is 2582708981.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 116726416 + 1781346436 = 10804^2 + 42206^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1898072852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1898072851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232748 + ... + 240764.

It is an arithmetic number, because the mean of its divisors is an integer number (77594195).

Almost surely, 2^1898072852 is an apocalyptic number.

It is an amenable number.

1898072852 is a deficient number, since it is larger than the sum of its proper divisors (1826448508).

1898072852 is a wasteful number, since it uses less digits than its factorization.

1898072852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8220 (or 8218 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 50.

The square root of 1898072852 is about 43566.8779234868. The cubic root of 1898072852 is about 1238.1434348283.

The spelling of 1898072852 in words is "one billion, eight hundred ninety-eight million, seventy-two thousand, eight hundred fifty-two".