318948 has 24 divisors (see below), whose sum is σ = 850752. Its totient is φ = 91104.

The previous prime is 318919. The next prime is 318949. The reversal of 318948 is 849813.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 318948.

It is not an unprimeable number, because it can be changed into a prime (318949) by changing a digit.

318948 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1815 + ... + 1982.

It is an arithmetic number, because the mean of its divisors is an integer number (35448).

2³¹⁸⁹⁴⁸ is an apocalyptic number.

It is an amenable number.

318948 is an abundant number, since it is smaller than the sum of its proper divisors (531804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

318948 is a wasteful number, since it uses less digits than its factorization.

318948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3811 (or 3809 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 318948 is about 564.7548140565. The cubic root of 318948 is about 68.3240016340.

The spelling of 318948 in words is "three hundred eighteen thousand, nine hundred forty-eight".