18956452 has 12 divisors (see below), whose sum is σ = 34919920. Its totient is φ = 8979336.

The previous prime is 18956449. The next prime is 18956461. The reversal of 18956452 is 25465981.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124638 + ... + 124789.

Almost surely, 2^18956452 is an apocalyptic number.

It is an amenable number.

18956452 is a deficient number, since it is larger than the sum of its proper divisors (15963468).

18956452 is a wasteful number, since it uses less digits than its factorization.

18956452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249450 (or 249448 counting only the distinct ones).

The product of its digits is 86400, while the sum is 40.

The square root of 18956452 is about 4353.9007797606. The cubic root of 18956452 is about 266.6361430341.

The spelling of 18956452 in words is "eighteen million, nine hundred fifty-six thousand, four hundred fifty-two".