624964 has 6 divisors (see below), whose sum is σ = 1093694. Its totient is φ = 312480.

The previous prime is 624961. The next prime is 624973. The reversal of 624964 is 469426.

It can be written as a sum of positive squares in only one way, i.e., 313600 + 311364 = 560^2 + 558^2 .

It is not an unprimeable number, because it can be changed into a prime (624961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78117 + ... + 78124.

2⁶²⁴⁹⁶⁴ is an apocalyptic number.

It is an amenable number.

624964 is a deficient number, since it is larger than the sum of its proper divisors (468730).

624964 is a wasteful number, since it uses less digits than its factorization.

624964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156245 (or 156243 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 624964 is about 790.5466463151. The cubic root of 624964 is about 85.4971557254.

It can be divided in two parts, 62496 and 4, that added together give a square (62500 = 250²).

The spelling of 624964 in words is "six hundred twenty-four thousand, nine hundred sixty-four".