89839597 has 2 divisors, whose sum is σ = 89839598. Its totient is φ = 89839596.

The previous prime is 89839591. The next prime is 89839613. The reversal of 89839597 is 79593898.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82337476 + 7502121 = 9074^2 + 2739^2 .

It is a cyclic number.

It is not a de Polignac number, because 89839597 - 2⁷ = 89839469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89839591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44919798 + 44919799.

It is an arithmetic number, because the mean of its divisors is an integer number (44919799).

Almost surely, 2^89839597 is an apocalyptic number.

It is an amenable number.

89839597 is a deficient number, since it is larger than the sum of its proper divisors (1).

89839597 is an equidigital number, since it uses as much as digits as its factorization.

89839597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 58.

The square root of 89839597 is about 9478.3752299643. The cubic root of 89839597 is about 447.8740827166.

The spelling of 89839597 in words is "eighty-nine million, eight hundred thirty-nine thousand, five hundred ninety-seven".