374188889 has 2 divisors, whose sum is σ = 374188890. Its totient is φ = 374188888.

The previous prime is 374188883. The next prime is 374188897. The reversal of 374188889 is 988881473.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 346257664 + 27931225 = 18608^2 + 5285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-374188889 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (374188883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187094444 + 187094445.

It is an arithmetic number, because the mean of its divisors is an integer number (187094445).

Almost surely, 2^374188889 is an apocalyptic number.

It is an amenable number.

374188889 is a deficient number, since it is larger than the sum of its proper divisors (1).

374188889 is an equidigital number, since it uses as much as digits as its factorization.

374188889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3096576, while the sum is 56.

The square root of 374188889 is about 19343.9625981855. The cubic root of 374188889 is about 720.6044878492.

The spelling of 374188889 in words is "three hundred seventy-four million, one hundred eighty-eight thousand, eight hundred eighty-nine".