89693856 has 72 divisors (see below), whose sum is σ = 291511584. Its totient is φ = 25626240.

The previous prime is 89693831. The next prime is 89693909. The reversal of 89693856 is 65839698.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20230 + ... + 24261.

It is an arithmetic number, because the mean of its divisors is an integer number (4048772).

Almost surely, 2^89693856 is an apocalyptic number.

It is an amenable number.

89693856 is an abundant number, since it is smaller than the sum of its proper divisors (201817728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89693856 is a wasteful number, since it uses less digits than its factorization.

89693856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44514 (or 44503 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 89693856 is about 9470.6840302061. The cubic root of 89693856 is about 447.6317658648.

The spelling of 89693856 in words is "eighty-nine million, six hundred ninety-three thousand, eight hundred fifty-six".