620880336 has 40 divisors (see below), whose sum is σ = 1782157760. Its totient is φ = 206959968.

The previous prime is 620880317. The next prime is 620880361. The reversal of 620880336 is 633088026.

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

It is a self number, because there is not a number n which added to its sum of digits gives 620880336.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 718180 + ... + 719043.

It is an arithmetic number, because the mean of its divisors is an integer number (44553944).

Almost surely, 2^620880336 is an apocalyptic number.

It is an amenable number.

620880336 is an abundant number, since it is smaller than the sum of its proper divisors (1161277424).

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

620880336 is a wasteful number, since it uses less digits than its factorization.

620880336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437240 (or 1437228 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 620880336 is about 24917.4704976248. The cubic root of 620880336 is about 853.1052903549.

The spelling of 620880336 in words is "six hundred twenty million, eight hundred eighty thousand, three hundred thirty-six".