312374487 has 4 divisors (see below), whose sum is σ = 416499320. Its totient is φ = 208249656.

The previous prime is 312374483. The next prime is 312374501. The reversal of 312374487 is 784473213.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 312374487 - 2² = 312374483 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312374483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52062412 + ... + 52062417.

It is an arithmetic number, because the mean of its divisors is an integer number (104124830).

Almost surely, 2^312374487 is an apocalyptic number.

312374487 is a deficient number, since it is larger than the sum of its proper divisors (104124833).

312374487 is a wasteful number, since it uses less digits than its factorization.

312374487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104124832.

The product of its digits is 112896, while the sum is 39.

The square root of 312374487 is about 17674.1191293937. The cubic root of 312374487 is about 678.5135400632.

The spelling of 312374487 in words is "three hundred twelve million, three hundred seventy-four thousand, four hundred eighty-seven".