331748 has 12 divisors (see below), whose sum is σ = 584892. Its totient is φ = 164640.

The previous prime is 331739. The next prime is 331753. The reversal of 331748 is 847133.

It can be written as a sum of positive squares in 2 ways, for example, as 153664 + 178084 = 392^2 + 422^2 .

It is a super-3 number, since 3×331748³ = 109533305669942976, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

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, 578 + ... + 998.

It is an arithmetic number, because the mean of its divisors is an integer number (48741).

331748 is a Friedman number, since it can be written as (8*3)^4-7*(3+1), using all its digits and the basic arithmetic operations.

2³³¹⁷⁴⁸ is an apocalyptic number.

It is an amenable number.

331748 is a deficient number, since it is larger than the sum of its proper divisors (253144).

331748 is a wasteful number, since it uses less digits than its factorization.

331748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 620 counting only the distinct ones).

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

The square root of 331748 is about 575.9756939316. The cubic root of 331748 is about 69.2260318379.

The spelling of 331748 in words is "three hundred thirty-one thousand, seven hundred forty-eight".