18490952 has 32 divisors (see below), whose sum is σ = 36720000. Its totient is φ = 8705088.

The previous prime is 18490949. The next prime is 18490961. The reversal of 18490952 is 25909481.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36074 + ... + 36582.

It is an arithmetic number, because the mean of its divisors is an integer number (1147500).

Almost surely, 2^18490952 is an apocalyptic number.

It is an amenable number.

18490952 is a deficient number, since it is larger than the sum of its proper divisors (18229048).

18490952 is a wasteful number, since it uses less digits than its factorization.

18490952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773 (or 769 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 18490952 is about 4300.1106962496. The cubic root of 18490952 is about 264.4354994398.

The spelling of 18490952 in words is "eighteen million, four hundred ninety thousand, nine hundred fifty-two".