18964682 has 8 divisors (see below), whose sum is σ = 31033152. Its totient is φ = 8620300.

The previous prime is 18964681. The next prime is 18964691. The reversal of 18964682 is 28646981.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×18964682² = 719318326722248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18964681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430994 + ... + 431037.

It is an arithmetic number, because the mean of its divisors is an integer number (3879144).

Almost surely, 2^18964682 is an apocalyptic number.

18964682 is a deficient number, since it is larger than the sum of its proper divisors (12068470).

18964682 is a wasteful number, since it uses less digits than its factorization.

18964682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862044.

The product of its digits is 165888, while the sum is 44.

The square root of 18964682 is about 4354.8458066848. The cubic root of 18964682 is about 266.6747244093.

The spelling of 18964682 in words is "eighteen million, nine hundred sixty-four thousand, six hundred eighty-two".