675844 has 24 divisors (see below), whose sum is σ = 1308888. Its totient is φ = 303360.

The previous prime is 675841. The next prime is 675859. The reversal of 675844 is 448576.

It can be written as a sum of positive squares in 4 ways, for example, as 82944 + 592900 = 288^2 + 770^2 .

It is a super-2 number, since 2×675844² = 913530224672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1974 + ... + 2290.

It is an arithmetic number, because the mean of its divisors is an integer number (54537).

2⁶⁷⁵⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

675844 is a deficient number, since it is larger than the sum of its proper divisors (633044).

675844 is a wasteful number, since it uses less digits than its factorization.

675844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 373 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 675844 is about 822.0973178402. The cubic root of 675844 is about 87.7570779701.

The spelling of 675844 in words is "six hundred seventy-five thousand, eight hundred forty-four".