604312878 has 16 divisors (see below), whose sum is σ = 1301597136. Its totient is φ = 185942400.

The previous prime is 604312873. The next prime is 604312921. The reversal of 604312878 is 878213406.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604312873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3873723 + ... + 3873878.

It is an arithmetic number, because the mean of its divisors is an integer number (81349821).

Almost surely, 2^604312878 is an apocalyptic number.

604312878 is an abundant number, since it is smaller than the sum of its proper divisors (697284258).

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

604312878 is a wasteful number, since it uses less digits than its factorization.

604312878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7747619.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 604312878 is about 24582.7760434008. The cubic root of 604312878 is about 845.4487435942.

The spelling of 604312878 in words is "six hundred four million, three hundred twelve thousand, eight hundred seventy-eight".