620964415 has 16 divisors (see below), whose sum is σ = 756262080. Its totient is φ = 489415680.

The previous prime is 620964413. The next prime is 620964427. The reversal of 620964415 is 514469026.

It is not a de Polignac number, because 620964415 - 2¹ = 620964413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620964413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108270 + ... + 113860.

It is an arithmetic number, because the mean of its divisors is an integer number (47266380).

Almost surely, 2^620964415 is an apocalyptic number.

620964415 is a deficient number, since it is larger than the sum of its proper divisors (135297665).

620964415 is a wasteful number, since it uses less digits than its factorization.

620964415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5922.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 620964415 is about 24919.1575900952. The cubic root of 620964415 is about 853.1437975079.

The spelling of 620964415 in words is "six hundred twenty million, nine hundred sixty-four thousand, four hundred fifteen".