18930852 has 36 divisors (see below), whose sum is σ = 49505820. Its totient is φ = 6092352.

The previous prime is 18930841. The next prime is 18930853. The reversal of 18930852 is 25803981.

It can be written as a sum of positive squares in 2 ways, for example, as 8856576 + 10074276 = 2976^2 + 3174^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (18930853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8023 + ... + 10110.

Almost surely, 2^18930852 is an apocalyptic number.

18930852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18930852 is an abundant number, since it is smaller than the sum of its proper divisors (30574968).

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

18930852 is a wasteful number, since it uses less digits than its factorization.

18930852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18172 (or 18167 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 18930852 is about 4350.9598940923. The cubic root of 18930852 is about 266.5160614866.

It can be divided in two parts, 18930 and 852, that multiplied together give a triangular number (16128360 = T₅₆₇₉).

The spelling of 18930852 in words is "eighteen million, nine hundred thirty thousand, eight hundred fifty-two".