90808950 has 24 divisors (see below), whose sum is σ = 225206568. Its totient is φ = 24215680.

The previous prime is 90808933. The next prime is 90808969. The reversal of 90808950 is 5980809.

90808950 = 903² + 904² + ... + 1002².

It is a junction number, because it is equal to n+sod(n) for n = 90808899 and 90808908.

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, 302547 + ... + 302846.

It is an arithmetic number, because the mean of its divisors is an integer number (9383607).

Almost surely, 2^90808950 is an apocalyptic number.

90808950 is an abundant number, since it is smaller than the sum of its proper divisors (134397618).

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

90808950 is a wasteful number, since it uses less digits than its factorization.

90808950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605408 (or 605403 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 90808950 is about 9529.3730119038. The cubic root of 90808950 is about 449.4791504651.

The spelling of 90808950 in words is "ninety million, eight hundred eight thousand, nine hundred fifty".