620932995 has 12 divisors (see below), whose sum is σ = 1076283936. Its totient is φ = 331164240.

The previous prime is 620932957. The next prime is 620933003. The reversal of 620932995 is 599239026.

It is not a de Polignac number, because 620932995 - 2⁶ = 620932931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 13798511 = 620932995 / (6 + 2 + 0 + 9 + 3 + 2 + 9 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 620932995.

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 11 ways as a sum of consecutive naturals, for example, 6899211 + ... + 6899300.

It is an arithmetic number, because the mean of its divisors is an integer number (89690328).

Almost surely, 2^620932995 is an apocalyptic number.

620932995 is a deficient number, since it is larger than the sum of its proper divisors (455350941).

620932995 is a wasteful number, since it uses less digits than its factorization.

620932995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13798522 (or 13798519 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The square root of 620932995 is about 24918.5271434730. The cubic root of 620932995 is about 853.1294079392.

It can be divided in two parts, 6209 and 32995, that added together give a square (39204 = 198²).

The spelling of 620932995 in words is "six hundred twenty million, nine hundred thirty-two thousand, nine hundred ninety-five".