14915990 has 24 divisors (see below), whose sum is σ = 27306720. Its totient is φ = 5866224.

The previous prime is 14915977. The next prime is 14915993. The reversal of 14915990 is 9951941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14915993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62291 + ... + 62529.

It is an arithmetic number, because the mean of its divisors is an integer number (1137780).

Almost surely, 2^14915990 is an apocalyptic number.

14915990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14915990 is a deficient number, since it is larger than the sum of its proper divisors (12390730).

14915990 is an equidigital number, since it uses as much as digits as its factorization.

14915990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 38.

The square root of 14915990 is about 3862.1224734594. The cubic root of 14915990 is about 246.1599308141.

The spelling of 14915990 in words is "fourteen million, nine hundred fifteen thousand, nine hundred ninety".