90258648 has 32 divisors (see below), whose sum is σ = 229018560. Its totient is φ = 29636640.

The previous prime is 90258631. The next prime is 90258653. The reversal of 90258648 is 84685209.

It is a congruent number.

It is an unprimeable number.

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, 26458 + ... + 29673.

It is an arithmetic number, because the mean of its divisors is an integer number (7156830).

Almost surely, 2^90258648 is an apocalyptic number.

It is an amenable number.

90258648 is an abundant number, since it is smaller than the sum of its proper divisors (138759912).

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

90258648 is a wasteful number, since it uses less digits than its factorization.

90258648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56207 (or 56203 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 90258648 is about 9500.4551469916. The cubic root of 90258648 is about 448.5693627194.

The spelling of 90258648 in words is "ninety million, two hundred fifty-eight thousand, six hundred forty-eight".