90663950 has 24 divisors (see below), whose sum is σ = 181608168. Its totient is φ = 33475680.

The previous prime is 90663929. The next prime is 90663977. The reversal of 90663950 is 5936609.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69092 + ... + 70391.

It is an arithmetic number, because the mean of its divisors is an integer number (7567007).

Almost surely, 2^90663950 is an apocalyptic number.

90663950 is an abundant number, since it is smaller than the sum of its proper divisors (90944218).

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

90663950 is a wasteful number, since it uses less digits than its factorization.

90663950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139508 (or 139503 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 90663950 is about 9521.7619167883. The cubic root of 90663950 is about 449.2397864049.

The spelling of 90663950 in words is "ninety million, six hundred sixty-three thousand, nine hundred fifty".