18934692 has 48 divisors (see below), whose sum is σ = 50706432. Its totient is φ = 5387040.

The previous prime is 18934679. The next prime is 18934733. The reversal of 18934692 is 29643981.

It is a super-2 number, since 2×18934692² = 717045122269728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 35943 + ... + 36465.

It is an arithmetic number, because the mean of its divisors is an integer number (1056384).

Almost surely, 2^18934692 is an apocalyptic number.

18934692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18934692 is an abundant number, since it is smaller than the sum of its proper divisors (31771740).

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

18934692 is a wasteful number, since it uses less digits than its factorization.

18934692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968 (or 966 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 18934692 is about 4351.4011536515. The cubic root of 18934692 is about 266.5340806172.

The spelling of 18934692 in words is "eighteen million, nine hundred thirty-four thousand, six hundred ninety-two".