14400690 has 16 divisors (see below), whose sum is σ = 34561728. Its totient is φ = 3840176.

The previous prime is 14400679. The next prime is 14400707. The reversal of 14400690 is 9600441.

It is a super-2 number, since 2×14400690² = 414759744952200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14400690.

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, 239982 + ... + 240041.

It is an arithmetic number, because the mean of its divisors is an integer number (2160108).

Almost surely, 2^14400690 is an apocalyptic number.

14400690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14400690 is an abundant number, since it is smaller than the sum of its proper divisors (20161038).

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

14400690 is a wasteful number, since it uses less digits than its factorization.

14400690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480033.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 14400690 is about 3794.8241065957. The cubic root of 14400690 is about 243.2919656121.

The spelling of 14400690 in words is "fourteen million, four hundred thousand, six hundred ninety".