18950492 has 24 divisors (see below), whose sum is σ = 36408960. Its totient is φ = 8558960.

The previous prime is 18950489. The next prime is 18950497. The reversal of 18950492 is 29405981.

It is a super-2 number, since 2×18950492² = 718242294084128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18950497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6059 + ... + 8637.

It is an arithmetic number, because the mean of its divisors is an integer number (1517040).

Almost surely, 2^18950492 is an apocalyptic number.

It is an amenable number.

18950492 is a deficient number, since it is larger than the sum of its proper divisors (17458468).

18950492 is a wasteful number, since it uses less digits than its factorization.

18950492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2761 (or 2759 counting only the distinct ones).

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

The square root of 18950492 is about 4353.2162822447. The cubic root of 18950492 is about 266.6081962082.

The spelling of 18950492 in words is "eighteen million, nine hundred fifty thousand, four hundred ninety-two".