620970288 has 40 divisors (see below), whose sum is σ = 1698538608. Its totient is φ = 194813952.

The previous prime is 620970283. The next prime is 620970319. The reversal of 620970288 is 882079026.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (620970281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379681 + ... + 381312.

Almost surely, 2^620970288 is an apocalyptic number.

620970288 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

620970288 is an abundant number, since it is smaller than the sum of its proper divisors (1077568320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620970288 is a wasteful number, since it uses less digits than its factorization.

620970288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761021 (or 761015 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 620970288 is about 24919.2754308788. The cubic root of 620970288 is about 853.1464871401.

The spelling of 620970288 in words is "six hundred twenty million, nine hundred seventy thousand, two hundred eighty-eight".