620288 has 18 divisors (see below), whose sum is σ = 1238664. Its totient is φ = 310016.

The previous prime is 620261. The next prime is 620297. The reversal of 620288 is 882026.

It is a plaindrome in base 9.

It is a nialpdrome in base 16.

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 620288.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 956 + ... + 1467.

2⁶²⁰²⁸⁸ is an apocalyptic number.

It is an amenable number.

620288 is a deficient number, since it is larger than the sum of its proper divisors (618376).

620288 is an equidigital number, since it uses as much as digits as its factorization.

620288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2439 (or 2425 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 620288 is about 787.5836463513. The cubic root of 620288 is about 85.2833909152.

The spelling of 620288 in words is "six hundred twenty thousand, two hundred eighty-eight".