604531312 has 80 divisors (see below), whose sum is σ = 1468905984. Its totient is φ = 234144000.

The previous prime is 604531309. The next prime is 604531313. The reversal of 604531312 is 213135406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604531313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221637 + ... + 224347.

Almost surely, 2^604531312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 604531312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (734452992).

604531312 is an abundant number, since it is smaller than the sum of its proper divisors (864374672).

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

604531312 is a wasteful number, since it uses less digits than its factorization.

604531312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2918 (or 2912 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 604531312 is about 24587.2184681391. The cubic root of 604531312 is about 845.5505961893.

Adding to 604531312 its reverse (213135406), we get a palindrome (817666718).

The spelling of 604531312 in words is "six hundred four million, five hundred thirty-one thousand, three hundred twelve".