313847 has 4 divisors (see below), whose sum is σ = 315240. Its totient is φ = 312456.

The previous prime is 313829. The next prime is 313849. The reversal of 313847 is 748313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 748313 = 367 ⋅2039.

It is a cyclic number.

It is not a de Polignac number, because 313847 - 2⁶ = 313783 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272 + ... + 837.

It is an arithmetic number, because the mean of its divisors is an integer number (78810).

2³¹³⁸⁴⁷ is an apocalyptic number.

313847 is a deficient number, since it is larger than the sum of its proper divisors (1393).

313847 is a wasteful number, since it uses less digits than its factorization.

313847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392.

The product of its digits is 2016, while the sum is 26.

The square root of 313847 is about 560.2204923064. The cubic root of 313847 is about 67.9578025395.

The spelling of 313847 in words is "three hundred thirteen thousand, eight hundred forty-seven".