620964086 has 8 divisors (see below), whose sum is σ = 931770000. Its totient is φ = 310374088.

The previous prime is 620964077. The next prime is 620964103. The reversal of 620964086 is 680469026.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×620964086² = 771192792203630792, which contains 22 as substring.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 46586 + ... + 58413.

It is an arithmetic number, because the mean of its divisors is an integer number (116471250).

Almost surely, 2^620964086 is an apocalyptic number.

620964086 is a deficient number, since it is larger than the sum of its proper divisors (310805914).

620964086 is a wasteful number, since it uses less digits than its factorization.

620964086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107958.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 620964086 is about 24919.1509887476. The cubic root of 620964086 is about 853.1436468367.

The spelling of 620964086 in words is "six hundred twenty million, nine hundred sixty-four thousand, eighty-six".