318872 has 16 divisors (see below), whose sum is σ = 624240. Its totient is φ = 152416.

The previous prime is 318863. The next prime is 318881. The reversal of 318872 is 278813.

318872 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (318863) and next prime (318881).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683 + ... + 1050.

It is an arithmetic number, because the mean of its divisors is an integer number (39015).

2³¹⁸⁸⁷² is an apocalyptic number.

It is an amenable number.

318872 is a deficient number, since it is larger than the sum of its proper divisors (305368).

318872 is a wasteful number, since it uses less digits than its factorization.

318872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762 (or 1758 counting only the distinct ones).

The product of its digits is 2688, while the sum is 29.

The square root of 318872 is about 564.6875242114. The cubic root of 318872 is about 68.3185743788.

It can be divided in two parts, 3 and 18872, that multiplied together give a triangular number (56616 = T₃₃₆).

The spelling of 318872 in words is "three hundred eighteen thousand, eight hundred seventy-two".