620707396 has 9 divisors (see below), whose sum is σ = 1086325149. Its totient is φ = 310328784.

The previous prime is 620707361. The next prime is 620707397. The reversal of 620707396 is 693707026.

The square root of 620707396 is 24914.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 511212100 + 109495296 = 22610^2 + 10464^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620707397) by changing a digit.

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 2 ways as a sum of consecutive naturals, for example, 43600 + ... + 56056.

Almost surely, 2^620707396 is an apocalyptic number.

620707396 is the 24914-th square number.

It is an amenable number.

620707396 is a deficient number, since it is larger than the sum of its proper divisors (465617753).

620707396 is an frugal number, since it uses more digits than its factorization.

620707396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24918 (or 12459 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 40.

The cubic root of 620707396 is about 853.0260750211.

The spelling of 620707396 in words is "six hundred twenty million, seven hundred seven thousand, three hundred ninety-six".