620934404 has 24 divisors (see below), whose sum is σ = 1135538880. Its totient is φ = 296534304.

The previous prime is 620934403. The next prime is 620934409. The reversal of 620934404 is 404439026.

It is not an unprimeable number, because it can be changed into a prime (620934403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63422 + ... + 72554.

It is an arithmetic number, because the mean of its divisors is an integer number (47314120).

Almost surely, 2^620934404 is an apocalyptic number.

It is an amenable number.

620934404 is a deficient number, since it is larger than the sum of its proper divisors (514604476).

620934404 is a wasteful number, since it uses less digits than its factorization.

620934404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9899 (or 9897 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 620934404 is about 24918.5554155934. Note that the first 3 decimals coincide. The cubic root of 620934404 is about 853.1300532361.

The spelling of 620934404 in words is "six hundred twenty million, nine hundred thirty-four thousand, four hundred four".