331797 has 8 divisors (see below), whose sum is σ = 465760. Its totient is φ = 209520.

The previous prime is 331781. The next prime is 331801. The reversal of 331797 is 797133.

331797 is nontrivially palindromic in base 16.

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

It is not a de Polignac number, because 331797 - 2⁴ = 331781 is a prime.

It is a super-2 number, since 2×331797² = 220178498418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2854 + ... + 2967.

It is an arithmetic number, because the mean of its divisors is an integer number (58220).

2³³¹⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

331797 is a deficient number, since it is larger than the sum of its proper divisors (133963).

331797 is a wasteful number, since it uses less digits than its factorization.

331797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5843.

The product of its digits is 3969, while the sum is 30.

The square root of 331797 is about 576.0182288782. The cubic root of 331797 is about 69.2294399555.

It can be divided in two parts, 331 and 797, that added together give a triangular number (1128 = T₄₇).

The spelling of 331797 in words is "three hundred thirty-one thousand, seven hundred ninety-seven".