312443828 has 24 divisors (see below), whose sum is σ = 576122400. Its totient is φ = 147853728.

The previous prime is 312443819. The next prime is 312443839. The reversal of 312443828 is 828344213.

It is a super-2 number, since 2×312443828² = 195242291310587168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149978 + ... + 152046.

It is an arithmetic number, because the mean of its divisors is an integer number (24005100).

Almost surely, 2^312443828 is an apocalyptic number.

312443828 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

312443828 is a deficient number, since it is larger than the sum of its proper divisors (263678572).

312443828 is a wasteful number, since it uses less digits than its factorization.

312443828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4079 (or 4077 counting only the distinct ones).

The product of its digits is 36864, while the sum is 35.

The square root of 312443828 is about 17676.0806741766. The cubic root of 312443828 is about 678.5637419079.

The spelling of 312443828 in words is "three hundred twelve million, four hundred forty-three thousand, eight hundred twenty-eight".