324628 has 6 divisors (see below), whose sum is σ = 568106. Its totient is φ = 162312.

The previous prime is 324619. The next prime is 324637. The reversal of 324628 is 826423.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (324619) and next prime (324637).

It can be written as a sum of positive squares in only one way, i.e., 258064 + 66564 = 508^2 + 258^2 .

It is a congruent number.

It is an unprimeable number.

324628 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40575 + ... + 40582.

2³²⁴⁶²⁸ is an apocalyptic number.

It is an amenable number.

324628 is a deficient number, since it is larger than the sum of its proper divisors (243478).

324628 is a wasteful number, since it uses less digits than its factorization.

324628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81161 (or 81159 counting only the distinct ones).

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

The square root of 324628 is about 569.7613535508. The cubic root of 324628 is about 68.7272012558.

The spelling of 324628 in words is "three hundred twenty-four thousand, six hundred twenty-eight".