674869 has 4 divisors (see below), whose sum is σ = 726796. Its totient is φ = 622944.

The previous prime is 674867. The next prime is 674879. The reversal of 674869 is 968476.

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

It can be written as a sum of positive squares in 2 ways, for example, as 191844 + 483025 = 438^2 + 695^2 .

It is a cyclic number.

It is not a de Polignac number, because 674869 - 2¹ = 674867 is a prime.

It is a super-2 number, since 2×674869² = 910896334322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25944 + ... + 25969.

It is an arithmetic number, because the mean of its divisors is an integer number (181699).

2⁶⁷⁴⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

674869 is a deficient number, since it is larger than the sum of its proper divisors (51927).

674869 is a wasteful number, since it uses less digits than its factorization.

674869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51926.

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

The square root of 674869 is about 821.5041083281. The cubic root of 674869 is about 87.7148570189.

The spelling of 674869 in words is "six hundred seventy-four thousand, eight hundred sixty-nine".