18486464 has 14 divisors (see below), whose sum is σ = 36684204. Its totient is φ = 9243200.

The previous prime is 18486451. The next prime is 18486467. The reversal of 18486464 is 46468481.

It is not an unprimeable number, because it can be changed into a prime (18486467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144362 + ... + 144489.

Almost surely, 2^18486464 is an apocalyptic number.

It is an amenable number.

18486464 is a deficient number, since it is larger than the sum of its proper divisors (18197740).

18486464 is an equidigital number, since it uses as much as digits as its factorization.

18486464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288863 (or 288853 counting only the distinct ones).

The product of its digits is 147456, while the sum is 41.

The square root of 18486464 is about 4299.5888175499. The cubic root of 18486464 is about 264.4141037044.

The spelling of 18486464 in words is "eighteen million, four hundred eighty-six thousand, four hundred sixty-four".