677331 has 24 divisors (see below), whose sum is σ = 1095120. Its totient is φ = 400896.

The previous prime is 677323. The next prime is 677333. The reversal of 677331 is 133776.

It is not a de Polignac number, because 677331 - 2³ = 677323 is a prime.

It is a super-2 number, since 2×677331² = 917554567122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 677295 and 677304.

It is not an unprimeable number, because it can be changed into a prime (677333) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2791 + ... + 3023.

It is an arithmetic number, because the mean of its divisors is an integer number (45630).

2⁶⁷⁷³³¹ is an apocalyptic number.

677331 is a deficient number, since it is larger than the sum of its proper divisors (417789).

677331 is a wasteful number, since it uses less digits than its factorization.

677331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 272 counting only the distinct ones).

The product of its digits is 2646, while the sum is 27.

The square root of 677331 is about 823.0012150659. The cubic root of 677331 is about 87.8213922134.

The spelling of 677331 in words is "six hundred seventy-seven thousand, three hundred thirty-one".