14640406 has 16 divisors (see below), whose sum is σ = 24468480. Its totient is φ = 6512680.

The previous prime is 14640377. The next prime is 14640491. The reversal of 14640406 is 60404641.

It is a congruent number.

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, 6046 + ... + 8113.

It is an arithmetic number, because the mean of its divisors is an integer number (1529280).

Almost surely, 2^14640406 is an apocalyptic number.

14640406 is a deficient number, since it is larger than the sum of its proper divisors (9828074).

14640406 is a wasteful number, since it uses less digits than its factorization.

14640406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14219.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 14640406 is about 3826.2783484739. The cubic root of 14640406 is about 244.6345015177.

The spelling of 14640406 in words is "fourteen million, six hundred forty thousand, four hundred six".