90418950 has 48 divisors (see below), whose sum is σ = 249158160. Its totient is φ = 24111360.

The previous prime is 90418949. The next prime is 90418961. The reversal of 90418950 is 5981409.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32139 + ... + 34838.

It is an arithmetic number, because the mean of its divisors is an integer number (5190795).

Almost surely, 2^90418950 is an apocalyptic number.

90418950 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

90418950 is an abundant number, since it is smaller than the sum of its proper divisors (158739210).

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

90418950 is a wasteful number, since it uses less digits than its factorization.

90418950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66998 (or 66987 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 90418950 is about 9508.8879475993. The cubic root of 90418950 is about 448.8347630998.

The spelling of 90418950 in words is "ninety million, four hundred eighteen thousand, nine hundred fifty".