620552934 has 32 divisors (see below), whose sum is σ = 1381373280. Its totient is φ = 206496000.

The previous prime is 620552929. The next prime is 620552951. The reversal of 620552934 is 439255026.

620552934 is a `hidden beast` number, since 620 + 5 + 5 + 29 + 3 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 22894 + ... + 42014.

It is an arithmetic number, because the mean of its divisors is an integer number (43167915).

Almost surely, 2^620552934 is an apocalyptic number.

620552934 is an abundant number, since it is smaller than the sum of its proper divisors (760820346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620552934 is a wasteful number, since it uses less digits than its factorization.

620552934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19733 (or 19727 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 620552934 is about 24910.8999034559. The cubic root of 620552934 is about 852.9553111124.

The spelling of 620552934 in words is "six hundred twenty million, five hundred fifty-two thousand, nine hundred thirty-four".