14640634 has 4 divisors (see below), whose sum is σ = 21960954. Its totient is φ = 7320316.

The previous prime is 14640631. The next prime is 14640653. The reversal of 14640634 is 43604641.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14040009 + 600625 = 3747^2 + 775^2 .

It is not an unprimeable number, because it can be changed into a prime (14640631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3660157 + ... + 3660160.

Almost surely, 2^14640634 is an apocalyptic number.

14640634 is a deficient number, since it is larger than the sum of its proper divisors (7320320).

14640634 is an equidigital number, since it uses as much as digits as its factorization.

14640634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7320319.

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

The square root of 14640634 is about 3826.3081423220. The cubic root of 14640634 is about 244.6357714365.

The spelling of 14640634 in words is "fourteen million, six hundred forty thousand, six hundred thirty-four".