14899920 has 160 divisors (see below), whose sum is σ = 54163200. Its totient is φ = 3386880.

The previous prime is 14899909. The next prime is 14899931. The reversal of 14899920 is 2999841.

14899920 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (14899909) and next prime (14899931).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82230 + ... + 82410.

It is an arithmetic number, because the mean of its divisors is an integer number (338520).

Almost surely, 2^14899920 is an apocalyptic number.

14899920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14899920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27081600).

14899920 is an abundant number, since it is smaller than the sum of its proper divisors (39263280).

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

14899920 is a wasteful number, since it uses less digits than its factorization.

14899920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 14899920 is about 3860.0414505546. The cubic root of 14899920 is about 246.0714974941.

The spelling of 14899920 in words is "fourteen million, eight hundred ninety-nine thousand, nine hundred twenty".