90593408 has 96 divisors (see below), whose sum is σ = 200409600. Its totient is φ = 40734720.

The previous prime is 90593407. The next prime is 90593411. The reversal of 90593408 is 80439509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90593407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1146713 + ... + 1146791.

It is an arithmetic number, because the mean of its divisors is an integer number (2087600).

Almost surely, 2^90593408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90593408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100204800).

90593408 is an abundant number, since it is smaller than the sum of its proper divisors (109816192).

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

90593408 is a wasteful number, since it uses less digits than its factorization.

90593408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 90593408 is about 9518.0569445659. The cubic root of 90593408 is about 449.1232443264.

The spelling of 90593408 in words is "ninety million, five hundred ninety-three thousand, four hundred eight".