624328 has 8 divisors (see below), whose sum is σ = 1170630. Its totient is φ = 312160.

The previous prime is 624319. The next prime is 624329. The reversal of 624328 is 823426.

It is a happy number.

624328 is nontrivially palindromic in base 7.

It can be written as a sum of positive squares in only one way, i.e., 605284 + 19044 = 778^2 + 138^2 .

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

It is not an unprimeable number, because it can be changed into a prime (624329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39013 + ... + 39028.

2⁶²⁴³²⁸ is an apocalyptic number.

It is an amenable number.

624328 is a deficient number, since it is larger than the sum of its proper divisors (546302).

624328 is a wasteful number, since it uses less digits than its factorization.

624328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78047 (or 78043 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 624328 is about 790.1442906204. The cubic root of 624328 is about 85.4681435759.

The spelling of 624328 in words is "six hundred twenty-four thousand, three hundred twenty-eight".