620504 has 8 divisors (see below), whose sum is σ = 1163460. Its totient is φ = 310248.

The previous prime is 620491. The next prime is 620507. The reversal of 620504 is 405026.

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

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 620504.

It is not an unprimeable number, because it can be changed into a prime (620507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38774 + ... + 38789.

2⁶²⁰⁵⁰⁴ is an apocalyptic number.

It is an amenable number.

620504 is a deficient number, since it is larger than the sum of its proper divisors (542956).

620504 is a wasteful number, since it uses less digits than its factorization.

620504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77569 (or 77565 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 620504 is about 787.7207627072. The cubic root of 620504 is about 85.2932890456.

The spelling of 620504 in words is "six hundred twenty thousand, five hundred four".