312678036 has 144 divisors (see below), whose sum is σ = 906272640. Its totient is φ = 93139200.

The previous prime is 312678019. The next prime is 312678049. The reversal of 312678036 is 630876213.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 927660 + ... + 927996.

It is an arithmetic number, because the mean of its divisors is an integer number (6293560).

Almost surely, 2^312678036 is an apocalyptic number.

312678036 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312678036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (453136320).

312678036 is an abundant number, since it is smaller than the sum of its proper divisors (593594604).

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

312678036 is a wasteful number, since it uses less digits than its factorization.

312678036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 312678036 is about 17682.7044311666. The cubic root of 312678036 is about 678.7332500979.

The spelling of 312678036 in words is "three hundred twelve million, six hundred seventy-eight thousand, thirty-six".