620621296 has 10 divisors (see below), whose sum is σ = 1202453792. Its totient is φ = 310310640.

The previous prime is 620621273. The next prime is 620621299. The reversal of 620621296 is 692126026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620621299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19394400 + ... + 19394431.

Almost surely, 2^620621296 is an apocalyptic number.

It is an amenable number.

620621296 is a deficient number, since it is larger than the sum of its proper divisors (581832496).

620621296 is a wasteful number, since it uses less digits than its factorization.

620621296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38788839 (or 38788833 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 620621296 is about 24912.2719959461. The cubic root of 620621296 is about 852.9866313467.

The spelling of 620621296 in words is "six hundred twenty million, six hundred twenty-one thousand, two hundred ninety-six".