89569493 has 16 divisors (see below), whose sum is σ = 98817600. Its totient is φ = 81160560.

The previous prime is 89569471. The next prime is 89569531. The reversal of 89569493 is 39496598.

It is not a de Polignac number, because 89569493 - 2¹² = 89565397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89569453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129278 + ... + 129968.

It is an arithmetic number, because the mean of its divisors is an integer number (6176100).

Almost surely, 2^89569493 is an apocalyptic number.

It is an amenable number.

89569493 is a deficient number, since it is larger than the sum of its proper divisors (9248107).

89569493 is an equidigital number, since it uses as much as digits as its factorization.

89569493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789 (or 763 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 53.

The square root of 89569493 is about 9464.1160707168. The cubic root of 89569493 is about 447.4247855862.

The spelling of 89569493 in words is "eighty-nine million, five hundred sixty-nine thousand, four hundred ninety-three".