14899990 has 64 divisors (see below), whose sum is σ = 34214400. Its totient is φ = 4548096.

The previous prime is 14899979. The next prime is 14899991. The reversal of 14899990 is 9999841.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14899991) 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 31 ways as a sum of consecutive naturals, for example, 22281 + ... + 22939.

It is an arithmetic number, because the mean of its divisors is an integer number (534600).

Almost surely, 2^14899990 is an apocalyptic number.

14899990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14899990 is an abundant number, since it is smaller than the sum of its proper divisors (19314410).

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

14899990 is a wasteful number, since it uses less digits than its factorization.

14899990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709.

The product of its (nonzero) digits is 209952, while the sum is 49.

The square root of 14899990 is about 3860.0505178041. The cubic root of 14899990 is about 246.0718828424.

The spelling of 14899990 in words is "fourteen million, eight hundred ninety-nine thousand, nine hundred ninety".