674939 has 4 divisors (see below), whose sum is σ = 677880. Its totient is φ = 672000.

The previous prime is 674929. The next prime is 674941. The reversal of 674939 is 939476.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 674939 - 2⁸ = 674683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674929) 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 3 ways as a sum of consecutive naturals, for example, 1094 + ... + 1595.

It is an arithmetic number, because the mean of its divisors is an integer number (169470).

2⁶⁷⁴⁹³⁹ is an apocalyptic number.

674939 is a deficient number, since it is larger than the sum of its proper divisors (2941).

674939 is a wasteful number, since it uses less digits than its factorization.

674939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940.

The product of its digits is 40824, while the sum is 38.

The square root of 674939 is about 821.5467120012. The cubic root of 674939 is about 87.7178896211.

The spelling of 674939 in words is "six hundred seventy-four thousand, nine hundred thirty-nine".