620351156 has 12 divisors (see below), whose sum is σ = 1112093220. Its totient is φ = 302610240.

The previous prime is 620351143. The next prime is 620351189. The reversal of 620351156 is 651153026.

It can be written as a sum of positive squares in 2 ways, for example, as 20884900 + 599466256 = 4570^2 + 24484^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1891151 + ... + 1891478.

It is an arithmetic number, because the mean of its divisors is an integer number (92674435).

Almost surely, 2^620351156 is an apocalyptic number.

It is an amenable number.

620351156 is a deficient number, since it is larger than the sum of its proper divisors (491742064).

620351156 is a wasteful number, since it uses less digits than its factorization.

620351156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3782674 (or 3782672 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 620351156 is about 24906.8495799850. The cubic root of 620351156 is about 852.8628525620.

The spelling of 620351156 in words is "six hundred twenty million, three hundred fifty-one thousand, one hundred fifty-six".