18953682 has 24 divisors (see below), whose sum is σ = 41668368. Its totient is φ = 5743320.

The previous prime is 18953677. The next prime is 18953689. The reversal of 18953682 is 28635981.

It is a super-2 number, since 2×18953682² = 718484122714248, which contains 22 as substring.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (18953689) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 12328 + ... + 13779.

It is an arithmetic number, because the mean of its divisors is an integer number (1736182).

Almost surely, 2^18953682 is an apocalyptic number.

18953682 is an abundant number, since it is smaller than the sum of its proper divisors (22714686).

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

18953682 is a wasteful number, since it uses less digits than its factorization.

18953682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26134 (or 26123 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 18953682 is about 4353.5826625895. The cubic root of 18953682 is about 266.6231550534.

The spelling of 18953682 in words is "eighteen million, nine hundred fifty-three thousand, six hundred eighty-two".