331706 has 8 divisors (see below), whose sum is σ = 519264. Its totient is φ = 158620.

The previous prime is 331697. The next prime is 331711. The reversal of 331706 is 607133.

331706 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×331706² = 220057740872, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 331706 parts by 814 straight cuts.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 331706.

It is an unprimeable 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 3 ways as a sum of consecutive naturals, for example, 3560 + ... + 3651.

It is an arithmetic number, because the mean of its divisors is an integer number (64908).

2³³¹⁷⁰⁶ is an apocalyptic number.

331706 is a deficient number, since it is larger than the sum of its proper divisors (187558).

331706 is a wasteful number, since it uses less digits than its factorization.

331706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7236.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 331706 is about 575.9392329057. The cubic root of 331706 is about 69.2231103272.

Adding to 331706 its reverse (607133), we get a palindrome (938839).

The spelling of 331706 in words is "three hundred thirty-one thousand, seven hundred six".