14539890 has 32 divisors (see below), whose sum is σ = 35841600. Its totient is φ = 3772224.

The previous prime is 14539843. The next prime is 14539919. The reversal of 14539890 is 9893541.

It is a super-2 number, since 2×14539890² = 422816802424200, which contains 22 as substring.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5440 + ... + 7659.

It is an arithmetic number, because the mean of its divisors is an integer number (1120050).

Almost surely, 2^14539890 is an apocalyptic number.

14539890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14539890 is an abundant number, since it is smaller than the sum of its proper divisors (21301710).

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

14539890 is a wasteful number, since it uses less digits than its factorization.

14539890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13146.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 14539890 is about 3813.1207691339. The cubic root of 14539890 is about 244.0733565158.

The spelling of 14539890 in words is "fourteen million, five hundred thirty-nine thousand, eight hundred ninety".