90085950 has 36 divisors (see below), whose sum is σ = 242032128. Its totient is φ = 24022800.

The previous prime is 90085943. The next prime is 90085997. The reversal of 90085950 is 5958009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 99646 + ... + 100545.

Almost surely, 2^90085950 is an apocalyptic number.

90085950 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

90085950 is an abundant number, since it is smaller than the sum of its proper divisors (151946178).

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

90085950 is a wasteful number, since it uses less digits than its factorization.

90085950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200209 (or 200201 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The square root of 90085950 is about 9491.3618622408. The cubic root of 90085950 is about 448.2830873181.

The spelling of 90085950 in words is "ninety million, eighty-five thousand, nine hundred fifty".