15314890 has 16 divisors (see below), whose sum is σ = 27812808. Its totient is φ = 6071296.

The previous prime is 15314863. The next prime is 15314921. The reversal of 15314890 is 9841351.

It can be written as a sum of positive squares in 4 ways, for example, as 9853321 + 5461569 = 3139^2 + 2337^2 .

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, 5647 + ... + 7906.

Almost surely, 2^15314890 is an apocalyptic number.

15314890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15314890 is a deficient number, since it is larger than the sum of its proper divisors (12497918).

15314890 is a wasteful number, since it uses less digits than its factorization.

15314890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13673.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 15314890 is about 3913.4243317075. The cubic root of 15314890 is about 248.3350159288.

The spelling of 15314890 in words is "fifteen million, three hundred fourteen thousand, eight hundred ninety".