312792280 has 64 divisors (see below), whose sum is σ = 729388800. Its totient is φ = 120637440.

The previous prime is 312792257. The next prime is 312792283. The reversal of 312792280 is 82297213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312792283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144889 + ... + 147031.

It is an arithmetic number, because the mean of its divisors is an integer number (11396700).

Almost surely, 2^312792280 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 312792280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364694400).

312792280 is an abundant number, since it is smaller than the sum of its proper divisors (416596520).

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

312792280 is a wasteful number, since it uses less digits than its factorization.

312792280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2284 (or 2280 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 312792280 is about 17685.9345243614. The cubic root of 312792280 is about 678.8159035525.

The spelling of 312792280 in words is "three hundred twelve million, seven hundred ninety-two thousand, two hundred eighty".