90480438 has 24 divisors (see below), whose sum is σ = 198525600. Its totient is φ = 29777904.

The previous prime is 90480431. The next prime is 90480449. The reversal of 90480438 is 83408409.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90480431) 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, 30393 + ... + 33236.

It is an arithmetic number, because the mean of its divisors is an integer number (8271900).

Almost surely, 2^90480438 is an apocalyptic number.

90480438 is an abundant number, since it is smaller than the sum of its proper divisors (108045162).

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

90480438 is a wasteful number, since it uses less digits than its factorization.

90480438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63716 (or 63713 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 90480438 is about 9512.1205837605. The cubic root of 90480438 is about 448.9364810783.

The spelling of 90480438 in words is "ninety million, four hundred eighty thousand, four hundred thirty-eight".