624374 has 8 divisors (see below), whose sum is σ = 949968. Its totient is φ = 307720.

The previous prime is 624347. The next prime is 624391. The reversal of 624374 is 473426.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

624374 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2057 + ... + 2340.

It is an arithmetic number, because the mean of its divisors is an integer number (118746).

2⁶²⁴³⁷⁴ is an apocalyptic number.

624374 is a deficient number, since it is larger than the sum of its proper divisors (325594).

624374 is a wasteful number, since it uses less digits than its factorization.

624374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4470.

The product of its digits is 4032, while the sum is 26.

The square root of 624374 is about 790.1733986917. The cubic root of 624374 is about 85.4702425998.

The spelling of 624374 in words is "six hundred twenty-four thousand, three hundred seventy-four".