14644920 has 32 divisors (see below), whose sum is σ = 43935120. Its totient is φ = 3905280.

The previous prime is 14644919. The next prime is 14644937. The reversal of 14644920 is 2944641.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60901 + ... + 61140.

Almost surely, 2^14644920 is an apocalyptic number.

14644920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14644920 is an abundant number, since it is smaller than the sum of its proper divisors (29290200).

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

14644920 is a wasteful number, since it uses less digits than its factorization.

14644920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122055 (or 122051 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 14644920 is about 3826.8681712335. The cubic root of 14644920 is about 244.6596412274.

The spelling of 14644920 in words is "fourteen million, six hundred forty-four thousand, nine hundred twenty".