18956052 has 24 divisors (see below), whose sum is σ = 49145600. Its totient is φ = 6318648.

The previous prime is 18956009. The next prime is 18956057. The reversal of 18956052 is 25065981.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 18955998 and 18956016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18956057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87652 + ... + 87867.

Almost surely, 2^18956052 is an apocalyptic number.

18956052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18956052 is an abundant number, since it is smaller than the sum of its proper divisors (30189548).

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

18956052 is a wasteful number, since it uses less digits than its factorization.

18956052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175532 (or 175524 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 18956052 is about 4353.8548436989. The cubic root of 18956052 is about 266.6342675916.

The spelling of 18956052 in words is "eighteen million, nine hundred fifty-six thousand, fifty-two".