90950850 has 120 divisors (see below), whose sum is σ = 267776388. Its totient is φ = 22809600.

The previous prime is 90950843. The next prime is 90950879. The reversal of 90950850 is 5805909.

It can be written as a sum of positive squares in 6 ways, for example, as 68112009 + 22838841 = 8253^2 + 4779^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 68190 + ... + 69510.

Almost surely, 2^90950850 is an apocalyptic number.

90950850 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 90950850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133888194).

90950850 is an abundant number, since it is smaller than the sum of its proper divisors (176825538).

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

90950850 is a wasteful number, since it uses less digits than its factorization.

90950850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362 (or 1348 counting only the distinct ones).

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

The square root of 90950850 is about 9536.8155062369. The cubic root of 90950850 is about 449.7131505219.

The spelling of 90950850 in words is "ninety million, nine hundred fifty thousand, eight hundred fifty".