374285189 has 2 divisors, whose sum is σ = 374285190. Its totient is φ = 374285188.

The previous prime is 374285167. The next prime is 374285213. The reversal of 374285189 is 981582473.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 374112964 + 172225 = 19342^2 + 415^2 .

It is an emirp because it is prime and its reverse (981582473) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-374285189 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (374215189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187142594 + 187142595.

It is an arithmetic number, because the mean of its divisors is an integer number (187142595).

Almost surely, 2^374285189 is an apocalyptic number.

It is an amenable number.

374285189 is a deficient number, since it is larger than the sum of its proper divisors (1).

374285189 is an equidigital number, since it uses as much as digits as its factorization.

374285189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 47.

The square root of 374285189 is about 19346.4515867898. The cubic root of 374285189 is about 720.6662999999. Note that the first 3 decimals are identical.

The spelling of 374285189 in words is "three hundred seventy-four million, two hundred eighty-five thousand, one hundred eighty-nine".