620919962 has 16 divisors (see below), whose sum is σ = 1055816160. Its totient is φ = 271495152.

The previous prime is 620919911. The next prime is 620919991. The reversal of 620919962 is 269919026.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627968 + ... + 628955.

It is an arithmetic number, because the mean of its divisors is an integer number (65988510).

Almost surely, 2^620919962 is an apocalyptic number.

620919962 is a deficient number, since it is larger than the sum of its proper divisors (434896198).

620919962 is a wasteful number, since it uses less digits than its factorization.

620919962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256957.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 620919962 is about 24918.2656298547. The cubic root of 620919962 is about 853.1234390110.

The spelling of 620919962 in words is "six hundred twenty million, nine hundred nineteen thousand, nine hundred sixty-two".