608642404 has 6 divisors (see below), whose sum is σ = 1065124214. Its totient is φ = 304321200.

The previous prime is 608642393. The next prime is 608642413. The reversal of 608642404 is 404246806.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 600348004 + 8294400 = 24502^2 + 2880^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 608642404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76080297 + ... + 76080304.

Almost surely, 2^608642404 is an apocalyptic number.

It is an amenable number.

608642404 is a deficient number, since it is larger than the sum of its proper divisors (456481810).

608642404 is a wasteful number, since it uses less digits than its factorization.

608642404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152160605 (or 152160603 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 608642404 is about 24670.6790340274. The cubic root of 608642404 is about 847.4629791552.

The spelling of 608642404 in words is "six hundred eight million, six hundred forty-two thousand, four hundred four".