90000048 has 40 divisors (see below), whose sum is σ = 232860096. Its totient is φ = 29953600.

The previous prime is 89999999. The next prime is 90000049. The reversal of 90000048 is 84000009.

It is a junction number, because it is equal to n+sod(n) for n = 89999979 and 90000033.

It is not an unprimeable number, because it can be changed into a prime (90000049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45643 + ... + 47573.

Almost surely, 2^90000048 is an apocalyptic number.

It is an amenable number.

90000048 is an abundant number, since it is smaller than the sum of its proper divisors (142860048).

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

90000048 is a wasteful number, since it uses less digits than its factorization.

90000048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913 (or 2907 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 90000048 is about 9486.8355103269. The cubic root of 90000048 is about 448.1405543251.

The spelling of 90000048 in words is "ninety million, forty-eight", and thus it is an aban number and an uban number.