18234656 has 24 divisors (see below), whose sum is σ = 39163824. Its totient is φ = 8288320.

The previous prime is 18234631. The next prime is 18234691. The reversal of 18234656 is 65643281.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25550 + ... + 26253.

It is an arithmetic number, because the mean of its divisors is an integer number (1631826).

Almost surely, 2^18234656 is an apocalyptic number.

18234656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18234656 is an abundant number, since it is smaller than the sum of its proper divisors (20929168).

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

18234656 is a wasteful number, since it uses less digits than its factorization.

18234656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51824 (or 51816 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 18234656 is about 4270.2056156583. The cubic root of 18234656 is about 263.2080644727.

The spelling of 18234656 in words is "eighteen million, two hundred thirty-four thousand, six hundred fifty-six".