604978859 has 4 divisors (see below), whose sum is σ = 613499760. Its totient is φ = 596457960.

The previous prime is 604978853. The next prime is 604978883. The reversal of 604978859 is 958879406.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-604978859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (604978853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4260344 + ... + 4260485.

It is an arithmetic number, because the mean of its divisors is an integer number (153374940).

Almost surely, 2^604978859 is an apocalyptic number.

604978859 is a deficient number, since it is larger than the sum of its proper divisors (8520901).

604978859 is an equidigital number, since it uses as much as digits as its factorization.

604978859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8520900.

The product of its (nonzero) digits is 4354560, while the sum is 56.

The square root of 604978859 is about 24596.3179968059. The cubic root of 604978859 is about 845.7592042347.

The spelling of 604978859 in words is "six hundred four million, nine hundred seventy-eight thousand, eight hundred fifty-nine".