674896 has 10 divisors (see below), whose sum is σ = 1307642. Its totient is φ = 337440.

The previous prime is 674879. The next prime is 674903. The reversal of 674896 is 698476.

It can be written as a sum of positive squares in only one way, i.e., 404496 + 270400 = 636^2 + 520^2 .

It is a super-2 number, since 2×674896² = 910969221632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

674896 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 (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21075 + ... + 21106.

2⁶⁷⁴⁸⁹⁶ is an apocalyptic number.

It is an amenable number.

674896 is a deficient number, since it is larger than the sum of its proper divisors (632746).

674896 is a wasteful number, since it uses less digits than its factorization.

674896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42189 (or 42183 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 674896 is about 821.5205414352. The cubic root of 674896 is about 87.7160267617.

The spelling of 674896 in words is "six hundred seventy-four thousand, eight hundred ninety-six".