312274536 has 64 divisors (see below), whose sum is σ = 900451200. Its totient is φ = 88397568.

The previous prime is 312274511. The next prime is 312274537. The reversal of 312274536 is 635472213.

312274536 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 312274497 and 312274506.

It is not an unprimeable number, because it can be changed into a prime (312274537) 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, 9786 + ... + 26838.

It is an arithmetic number, because the mean of its divisors is an integer number (14069550).

Almost surely, 2^312274536 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 312274536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (450225600).

312274536 is an abundant number, since it is smaller than the sum of its proper divisors (588176664).

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

312274536 is a wasteful number, since it uses less digits than its factorization.

312274536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17178 (or 17174 counting only the distinct ones).

The product of its digits is 30240, while the sum is 33.

The square root of 312274536 is about 17671.2912940736. The cubic root of 312274536 is about 678.4411639631.

The spelling of 312274536 in words is "three hundred twelve million, two hundred seventy-four thousand, five hundred thirty-six".