621080352 has 96 divisors (see below), whose sum is σ = 1838692800. Its totient is φ = 203917824.

The previous prime is 621080351. The next prime is 621080357. The reversal of 621080352 is 253080126.

621080352 is a `hidden beast` number, since 621 + 0 + 8 + 0 + 35 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (621080351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52524 + ... + 63252.

It is an arithmetic number, because the mean of its divisors is an integer number (19153050).

Almost surely, 2^621080352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 621080352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (919346400).

621080352 is an abundant number, since it is smaller than the sum of its proper divisors (1217612448).

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

621080352 is a wasteful number, since it uses less digits than its factorization.

621080352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10815 (or 10801 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 621080352 is about 24921.4837439507. The cubic root of 621080352 is about 853.1968895343.

The spelling of 621080352 in words is "six hundred twenty-one million, eighty thousand, three hundred fifty-two".