673931 has 8 divisors (see below), whose sum is σ = 738720. Its totient is φ = 611968.

The previous prime is 673921. The next prime is 673943. The reversal of 673931 is 139376.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673931 is a prime.

It is a super-2 number, since 2×673931² = 908365985522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 673894 and 673903.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 673931.

It is not an unprimeable number, because it can be changed into a prime (673921) 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, 191 + ... + 1176.

It is an arithmetic number, because the mean of its divisors is an integer number (92340).

2⁶⁷³⁹³¹ is an apocalyptic number.

673931 is a deficient number, since it is larger than the sum of its proper divisors (64789).

673931 is a wasteful number, since it uses less digits than its factorization.

673931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413.

The product of its digits is 3402, while the sum is 29.

The square root of 673931 is about 820.9330057928. The cubic root of 673931 is about 87.6741999017.

It can be divided in two parts, 6 and 73931, that added together give a palindrome (73937).

The spelling of 673931 in words is "six hundred seventy-three thousand, nine hundred thirty-one".