624940 has 12 divisors (see below), whose sum is σ = 1312416. Its totient is φ = 249968.

The previous prime is 624917. The next prime is 624961. The reversal of 624940 is 49426.

624940 = T₃₆ + T₃₇ + ... + T₁₅₅.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15604 + ... + 15643.

It is an arithmetic number, because the mean of its divisors is an integer number (109368).

2⁶²⁴⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

624940 is an abundant number, since it is smaller than the sum of its proper divisors (687476).

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

624940 is a wasteful number, since it uses less digits than its factorization.

624940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31256 (or 31254 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 624940 is about 790.5314667994. The cubic root of 624940 is about 85.4960612848.

The spelling of 624940 in words is "six hundred twenty-four thousand, nine hundred forty".