620552936 has 16 divisors (see below), whose sum is σ = 1164617700. Its totient is φ = 309988224.

The previous prime is 620552929. The next prime is 620552951. The reversal of 620552936 is 639255026.

It can be written as a sum of positive squares in 2 ways, for example, as 616528900 + 4024036 = 24830^2 + 2006^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 620552936.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26741 + ... + 44228.

Almost surely, 2^620552936 is an apocalyptic number.

It is an amenable number.

620552936 is a deficient number, since it is larger than the sum of its proper divisors (544064764).

620552936 is a wasteful number, since it uses less digits than its factorization.

620552936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72068 (or 72064 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 620552936 is about 24910.8999435990. The cubic root of 620552936 is about 852.9553120287.

The spelling of 620552936 in words is "six hundred twenty million, five hundred fifty-two thousand, nine hundred thirty-six".