90261088 has 24 divisors (see below), whose sum is σ = 183435840. Its totient is φ = 43674240.

The previous prime is 90261053. The next prime is 90261107. The reversal of 90261088 is 88016209.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44503 + ... + 46486.

It is an arithmetic number, because the mean of its divisors is an integer number (7643160).

Almost surely, 2^90261088 is an apocalyptic number.

It is an amenable number.

90261088 is an abundant number, since it is smaller than the sum of its proper divisors (93174752).

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

90261088 is a wasteful number, since it uses less digits than its factorization.

90261088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91030 (or 91022 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 90261088 is about 9500.5835610240. The cubic root of 90261088 is about 448.5734048044.

The spelling of 90261088 in words is "ninety million, two hundred sixty-one thousand, eighty-eight".