620862880 has 96 divisors (see below), whose sum is σ = 1626645888. Its totient is φ = 222028800.

The previous prime is 620862871. The next prime is 620862889. The reversal of 620862880 is 88268026.

It is an interprime number because it is at equal distance from previous prime (620862871) and next prime (620862889).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (620862889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104469 + ... + 110251.

It is an arithmetic number, because the mean of its divisors is an integer number (16944228).

Almost surely, 2^620862880 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 620862880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (813322944).

620862880 is an abundant number, since it is smaller than the sum of its proper divisors (1005783008).

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

620862880 is a wasteful number, since it uses less digits than its factorization.

620862880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5870 (or 5862 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 620862880 is about 24917.1202188375. The cubic root of 620862880 is about 853.0972952848.

The spelling of 620862880 in words is "six hundred twenty million, eight hundred sixty-two thousand, eight hundred eighty".