368432189 has 2 divisors, whose sum is σ = 368432190. Its totient is φ = 368432188.

The previous prime is 368432171. The next prime is 368432219. The reversal of 368432189 is 981234863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337016164 + 31416025 = 18358^2 + 5605^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-368432189 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 (368432689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184216094 + 184216095.

It is an arithmetic number, because the mean of its divisors is an integer number (184216095).

Almost surely, 2^368432189 is an apocalyptic number.

It is an amenable number.

368432189 is a deficient number, since it is larger than the sum of its proper divisors (1).

368432189 is an equidigital number, since it uses as much as digits as its factorization.

368432189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 44.

The square root of 368432189 is about 19194.5874923115. The cubic root of 368432189 is about 716.8899995747.

The spelling of 368432189 in words is "three hundred sixty-eight million, four hundred thirty-two thousand, one hundred eighty-nine".