624942 has 32 divisors (see below), whose sum is σ = 1416960. Its totient is φ = 204120.

The previous prime is 624917. The next prime is 624961. The reversal of 624942 is 249426.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3753 + ... + 3915.

It is an arithmetic number, because the mean of its divisors is an integer number (44280).

2⁶²⁴⁹⁴² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 624942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (708480).

624942 is an abundant number, since it is smaller than the sum of its proper divisors (792018).

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

624942 is a wasteful number, since it uses less digits than its factorization.

624942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 239 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 624942 is about 790.5327317702. The cubic root of 624942 is about 85.4961524892.

The spelling of 624942 in words is "six hundred twenty-four thousand, nine hundred forty-two".