89393479 has 16 divisors (see below), whose sum is σ = 107108352. Its totient is φ = 72946368.

The previous prime is 89393467. The next prime is 89393519. The reversal of 89393479 is 97439398.

It is a cyclic number.

It is not a de Polignac number, because 89393479 - 2¹³ = 89385287 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 (89393419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36322 + ... + 38704.

It is an arithmetic number, because the mean of its divisors is an integer number (6694272).

Almost surely, 2^89393479 is an apocalyptic number.

89393479 is a deficient number, since it is larger than the sum of its proper divisors (17714873).

89393479 is a wasteful number, since it uses less digits than its factorization.

89393479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646.

The product of its digits is 1469664, while the sum is 52.

The square root of 89393479 is about 9454.8124783097. The cubic root of 89393479 is about 447.1315136022.

The spelling of 89393479 in words is "eighty-nine million, three hundred ninety-three thousand, four hundred seventy-nine".