14640436 has 6 divisors (see below), whose sum is σ = 25620770. Its totient is φ = 7320216.

The previous prime is 14640377. The next prime is 14640491. The reversal of 14640436 is 63404641.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 14107536 + 532900 = 3756^2 + 730^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1830051 + ... + 1830058.

Almost surely, 2^14640436 is an apocalyptic number.

It is an amenable number.

14640436 is a deficient number, since it is larger than the sum of its proper divisors (10980334).

14640436 is a wasteful number, since it uses less digits than its factorization.

14640436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3660113 (or 3660111 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 14640436 is about 3826.2822687303. The cubic root of 14640436 is about 244.6346686131.

The spelling of 14640436 in words is "fourteen million, six hundred forty thousand, four hundred thirty-six".