18949462 has 16 divisors (see below), whose sum is σ = 33278112. Its totient is φ = 7922880.

The previous prime is 18949457. The next prime is 18949471. The reversal of 18949462 is 26494981.

It is a super-2 number, since 2×18949462² = 718164220178888, which contains 22 as substring.

It is a congruent number.

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, 15933 + ... + 17080.

It is an arithmetic number, because the mean of its divisors is an integer number (2079882).

Almost surely, 2^18949462 is an apocalyptic number.

18949462 is a deficient number, since it is larger than the sum of its proper divisors (14328650).

18949462 is a wasteful number, since it uses less digits than its factorization.

18949462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33063.

The product of its digits is 124416, while the sum is 43.

The square root of 18949462 is about 4353.0979773031. The cubic root of 18949462 is about 266.6033658778.

The spelling of 18949462 in words is "eighteen million, nine hundred forty-nine thousand, four hundred sixty-two".