604400655 has 8 divisors (see below), whose sum is σ = 967041072. Its totient is φ = 322347008.

The previous prime is 604400623. The next prime is 604400669. The reversal of 604400655 is 556004406.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 604400655 - 2⁵ = 604400623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20146674 + ... + 20146703.

It is an arithmetic number, because the mean of its divisors is an integer number (120880134).

Almost surely, 2^604400655 is an apocalyptic number.

604400655 is a deficient number, since it is larger than the sum of its proper divisors (362640417).

604400655 is a wasteful number, since it uses less digits than its factorization.

604400655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40293385.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 604400655 is about 24584.5613139629. The cubic root of 604400655 is about 845.4896756811.

The spelling of 604400655 in words is "six hundred four million, four hundred thousand, six hundred fifty-five".