14390931 has 16 divisors (see below), whose sum is σ = 20230560. Its totient is φ = 9085440.

The previous prime is 14390927. The next prime is 14390933. The reversal of 14390931 is 13909341.

It is not a de Polignac number, because 14390931 - 2² = 14390927 is a prime.

It is a super-2 number, since 2×14390931² = 414197790093522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14390933) 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, 3051 + ... + 6171.

It is an arithmetic number, because the mean of its divisors is an integer number (1264410).

Almost surely, 2^14390931 is an apocalyptic number.

14390931 is a deficient number, since it is larger than the sum of its proper divisors (5839629).

14390931 is a wasteful number, since it uses less digits than its factorization.

14390931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 14390931 is about 3793.5380583302. The cubic root of 14390931 is about 243.2369954955.

The spelling of 14390931 in words is "fourteen million, three hundred ninety thousand, nine hundred thirty-one".