620528 has 10 divisors (see below), whose sum is σ = 1202304. Its totient is φ = 310256.

The previous prime is 620519. The next prime is 620531. The reversal of 620528 is 825026.

It is a happy number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 620528.

It is an unprimeable number.

620528 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, 19376 + ... + 19407.

2⁶²⁰⁵²⁸ is an apocalyptic number.

It is an amenable number.

620528 is a deficient number, since it is larger than the sum of its proper divisors (581776).

620528 is a wasteful number, since it uses less digits than its factorization.

620528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38791 (or 38785 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 620528 is about 787.7359963846. The cubic root of 620528 is about 85.2943886961.

The spelling of 620528 in words is "six hundred twenty thousand, five hundred twenty-eight".