624902 has 4 divisors (see below), whose sum is σ = 937356. Its totient is φ = 312450.

The previous prime is 624859. The next prime is 624917. The reversal of 624902 is 209426.

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

It is a congruent number.

It is an unprimeable number.

624902 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 (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156224 + ... + 156227.

It is an arithmetic number, because the mean of its divisors is an integer number (234339).

2⁶²⁴⁹⁰² is an apocalyptic number.

624902 is a deficient number, since it is larger than the sum of its proper divisors (312454).

624902 is a wasteful number, since it uses less digits than its factorization.

624902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312453.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 624902 is about 790.5074319701. The cubic root of 624902 is about 85.4943283631.

The spelling of 624902 in words is "six hundred twenty-four thousand, nine hundred two".