189000697 has 2 divisors, whose sum is σ = 189000698. Its totient is φ = 189000696.

The previous prime is 189000653. The next prime is 189000719. The reversal of 189000697 is 796000981.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141514816 + 47485881 = 11896^2 + 6891^2 .

It is a cyclic number.

It is not a de Polignac number, because 189000697 - 2²⁷ = 54782969 is a prime.

It is not a weakly prime, because it can be changed into another prime (189000607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94500348 + 94500349.

It is an arithmetic number, because the mean of its divisors is an integer number (94500349).

Almost surely, 2^189000697 is an apocalyptic number.

It is an amenable number.

189000697 is a deficient number, since it is larger than the sum of its proper divisors (1).

189000697 is an equidigital number, since it uses as much as digits as its factorization.

189000697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 189000697 is about 13747.7524344891. The cubic root of 189000697 is about 573.8800602875.

The spelling of 189000697 in words is "one hundred eighty-nine million, six hundred ninety-seven", and thus it is an aban number.