14997990 has 32 divisors (see below), whose sum is σ = 41137920. Its totient is φ = 3428064.

The previous prime is 14997989. The next prime is 14997991. The reversal of 14997990 is 9979941.

It is an interprime number because it is at equal distance from previous prime (14997989) and next prime (14997991).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14997991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35500 + ... + 35919.

It is an arithmetic number, because the mean of its divisors is an integer number (1285560).

Almost surely, 2^14997990 is an apocalyptic number.

14997990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14997990 is an abundant number, since it is smaller than the sum of its proper divisors (26139930).

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

14997990 is a wasteful number, since it uses less digits than its factorization.

14997990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71436.

The product of its (nonzero) digits is 183708, while the sum is 48.

The square root of 14997990 is about 3872.7238476297. The cubic root of 14997990 is about 246.6101911937.

The spelling of 14997990 in words is "fourteen million, nine hundred ninety-seven thousand, nine hundred ninety".