89708393 has 2 divisors, whose sum is σ = 89708394. Its totient is φ = 89708392.

The previous prime is 89708321. The next prime is 89708401. The reversal of 89708393 is 39380798.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79798489 + 9909904 = 8933^2 + 3148^2 .

It is a cyclic number.

It is not a de Polignac number, because 89708393 - 2¹⁰ = 89707369 is a prime.

It is not a weakly prime, because it can be changed into another prime (89008393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44854196 + 44854197.

It is an arithmetic number, because the mean of its divisors is an integer number (44854197).

Almost surely, 2^89708393 is an apocalyptic number.

It is an amenable number.

89708393 is a deficient number, since it is larger than the sum of its proper divisors (1).

89708393 is an equidigital number, since it uses as much as digits as its factorization.

89708393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 89708393 is about 9471.4514727153. The cubic root of 89708393 is about 447.6559476455.

The spelling of 89708393 in words is "eighty-nine million, seven hundred eight thousand, three hundred ninety-three".