620580384 has 36 divisors (see below), whose sum is σ = 1764776286. Its totient is φ = 206860032.

The previous prime is 620580383. The next prime is 620580397. The reversal of 620580384 is 483085026.

It can be written as a sum of positive squares in only one way, i.e., 332259984 + 288320400 = 18228^2 + 16980^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (620580383) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1077109 + ... + 1077684.

Almost surely, 2^620580384 is an apocalyptic number.

It is an amenable number.

620580384 is an abundant number, since it is smaller than the sum of its proper divisors (1144195902).

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

620580384 is a wasteful number, since it uses less digits than its factorization.

620580384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154809 (or 2154798 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 620580384 is about 24911.4508609996. The cubic root of 620580384 is about 852.9678876801.

The spelling of 620580384 in words is "six hundred twenty million, five hundred eighty thousand, three hundred eighty-four".