312404424 has 32 divisors (see below), whose sum is σ = 793818240. Its totient is φ = 102427200.

The previous prime is 312404401. The next prime is 312404471. The reversal of 312404424 is 424404213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 312404394 and 312404403.

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, 105232 + ... + 108159.

It is an arithmetic number, because the mean of its divisors is an integer number (24806820).

Almost surely, 2^312404424 is an apocalyptic number.

It is an amenable number.

312404424 is an abundant number, since it is smaller than the sum of its proper divisors (481413816).

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

312404424 is a wasteful number, since it uses less digits than its factorization.

312404424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213461 (or 213457 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 312404424 is about 17674.9660254270. The cubic root of 312404424 is about 678.5352149137.

Adding to 312404424 its reverse (424404213), we get a palindrome (736808637).

The spelling of 312404424 in words is "three hundred twelve million, four hundred four thousand, four hundred twenty-four".