90594648 has 96 divisors (see below), whose sum is σ = 260357760. Its totient is φ = 28408320.

The previous prime is 90594629. The next prime is 90594667. The reversal of 90594648 is 84649509.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (90594629) and next prime (90594667).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82036 + ... + 83132.

It is an arithmetic number, because the mean of its divisors is an integer number (2712060).

Almost surely, 2^90594648 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 90594648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130178880).

90594648 is an abundant number, since it is smaller than the sum of its proper divisors (169763112).

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

90594648 is a wasteful number, since it uses less digits than its factorization.

90594648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177 (or 1170 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 90594648 is about 9518.1220836886. The cubic root of 90594648 is about 449.1252934463.

The spelling of 90594648 in words is "ninety million, five hundred ninety-four thousand, six hundred forty-eight".