674189 has 2 divisors, whose sum is σ = 674190. Its totient is φ = 674188.

The previous prime is 674183. The next prime is 674227. The reversal of 674189 is 981476.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 537289 + 136900 = 733^2 + 370^2 .

It is a cyclic number.

It is not a de Polignac number, because 674189 - 2⁴ = 674173 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337094 + 337095.

It is an arithmetic number, because the mean of its divisors is an integer number (337095).

2⁶⁷⁴¹⁸⁹ is an apocalyptic number.

It is an amenable number.

674189 is a deficient number, since it is larger than the sum of its proper divisors (1).

674189 is an equidigital number, since it uses as much as digits as its factorization.

674189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 674189 is about 821.0901290358. The cubic root of 674189 is about 87.6853865354.

The spelling of 674189 in words is "six hundred seventy-four thousand, one hundred eighty-nine".