331774 has 4 divisors (see below), whose sum is σ = 497664. Its totient is φ = 165886.

The previous prime is 331769. The next prime is 331777. The reversal of 331774 is 477133.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 477133 = 59 ⋅8087.

It is a super-2 number, since 2×331774² = 220147974152, which contains 22 as substring.

It is a congruent number.

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

331774 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 (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82942 + ... + 82945.

It is an arithmetic number, because the mean of its divisors is an integer number (124416).

2³³¹⁷⁷⁴ is an apocalyptic number.

331774 is a deficient number, since it is larger than the sum of its proper divisors (165890).

331774 is a wasteful number, since it uses less digits than its factorization.

331774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165889.

The product of its digits is 1764, while the sum is 25.

The square root of 331774 is about 575.9982638863. The cubic root of 331774 is about 69.2278402686.

The spelling of 331774 in words is "three hundred thirty-one thousand, seven hundred seventy-four".