625384 has 8 divisors (see below), whose sum is σ = 1172610. Its totient is φ = 312688.

The previous prime is 625369. The next prime is 625397. The reversal of 625384 is 483526.

It can be written as a sum of positive squares in only one way, i.e., 396900 + 228484 = 630^2 + 478^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×625384² = 782210294912, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39079 + ... + 39094.

2⁶²⁵³⁸⁴ is an apocalyptic number.

It is an amenable number.

625384 is a deficient number, since it is larger than the sum of its proper divisors (547226).

625384 is a wasteful number, since it uses less digits than its factorization.

625384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78179 (or 78175 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 625384 is about 790.8122406741. The cubic root of 625384 is about 85.5163039027.

The spelling of 625384 in words is "six hundred twenty-five thousand, three hundred eighty-four".