313869874 has 4 divisors (see below), whose sum is σ = 470804814. Its totient is φ = 156934936.

The previous prime is 313869863. The next prime is 313869887. The reversal of 313869874 is 478968313.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 478968313 = 59 ⋅8118107.

It can be written as a sum of positive squares in only one way, i.e., 284091025 + 29778849 = 16855^2 + 5457^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 78467467 + ... + 78467470.

Almost surely, 2^313869874 is an apocalyptic number.

313869874 is a deficient number, since it is larger than the sum of its proper divisors (156934940).

313869874 is a wasteful number, since it uses less digits than its factorization.

313869874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156934939.

The product of its digits is 870912, while the sum is 49.

The square root of 313869874 is about 17716.3730486801. The cubic root of 313869874 is about 679.5945348086.

The spelling of 313869874 in words is "three hundred thirteen million, eight hundred sixty-nine thousand, eight hundred seventy-four".