90111948 has 24 divisors (see below), whose sum is σ = 210421680. Its totient is φ = 30014400.

The previous prime is 90111943. The next prime is 90111971. The reversal of 90111948 is 84911109.

It is not an unprimeable number, because it can be changed into a prime (90111941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22498 + ... + 26198.

It is an arithmetic number, because the mean of its divisors is an integer number (8767570).

Almost surely, 2^90111948 is an apocalyptic number.

It is an amenable number.

90111948 is an abundant number, since it is smaller than the sum of its proper divisors (120309732).

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

90111948 is a wasteful number, since it uses less digits than its factorization.

90111948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5737 (or 5735 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 33.

The square root of 90111948 is about 9492.7313245451. The cubic root of 90111948 is about 448.3262066678.

The spelling of 90111948 in words is "ninety million, one hundred eleven thousand, nine hundred forty-eight".