312274944 has 156 divisors (see below), whose sum is σ = 927679896. Its totient is φ = 101154816.

The previous prime is 312274943. The next prime is 312274951. The reversal of 312274944 is 449472213.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 312274899 and 312274908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312274943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1585054 + ... + 1585250.

It is an arithmetic number, because the mean of its divisors is an integer number (5946666).

Almost surely, 2^312274944 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 312274944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (463839948).

312274944 is an abundant number, since it is smaller than the sum of its proper divisors (615404952).

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

312274944 is a wasteful number, since it uses less digits than its factorization.

312274944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 245 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 312274944 is about 17671.3028382177. The cubic root of 312274944 is about 678.4414594337.

The spelling of 312274944 in words is "three hundred twelve million, two hundred seventy-four thousand, nine hundred forty-four".