620888 has 8 divisors (see below), whose sum is σ = 1164180. Its totient is φ = 310440.

The previous prime is 620887. The next prime is 620909. The reversal of 620888 is 888026.

620888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38798 + ... + 38813.

2⁶²⁰⁸⁸⁸ is an apocalyptic number.

It is an amenable number.

620888 is a deficient number, since it is larger than the sum of its proper divisors (543292).

620888 is a wasteful number, since it uses less digits than its factorization.

620888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77617 (or 77613 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 620888 is about 787.9644662039. The cubic root of 620888 is about 85.3108800517.

The spelling of 620888 in words is "six hundred twenty thousand, eight hundred eighty-eight".