314991 has 12 divisors (see below), whose sum is σ = 470080. Its totient is φ = 203040.

The previous prime is 314989. The next prime is 315011. The reversal of 314991 is 199413.

It is not a de Polignac number, because 314991 - 2¹ = 314989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 286 + ... + 843.

2³¹⁴⁹⁹¹ is an apocalyptic number.

314991 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

314991 is a deficient number, since it is larger than the sum of its proper divisors (155089).

314991 is a wasteful number, since it uses less digits than its factorization.

314991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166 (or 1163 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 314991 is about 561.2405901216. The cubic root of 314991 is about 68.0402731446.

It can be divided in two parts, 3149 and 91, that added together give a triangular number (3240 = T₈₀).

The spelling of 314991 in words is "three hundred fourteen thousand, nine hundred ninety-one".