18996910 has 16 divisors (see below), whose sum is σ = 35119296. Its totient is φ = 7393248.

The previous prime is 18996881. The next prime is 18996917. The reversal of 18996910 is 1969981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18996917) 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, 25302 + ... + 26041.

It is an arithmetic number, because the mean of its divisors is an integer number (2194956).

Almost surely, 2^18996910 is an apocalyptic number.

18996910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18996910 is a deficient number, since it is larger than the sum of its proper divisors (16122386).

18996910 is a wasteful number, since it uses less digits than its factorization.

18996910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51387.

The product of its (nonzero) digits is 34992, while the sum is 43.

The square root of 18996910 is about 4358.5444818196. The cubic root of 18996910 is about 266.8256985422.

The spelling of 18996910 in words is "eighteen million, nine hundred ninety-six thousand, nine hundred ten".