90906850 has 24 divisors (see below), whose sum is σ = 169341840. Its totient is φ = 36307920.

The previous prime is 90906841. The next prime is 90906853. The reversal of 90906850 is 5860909.

It is not an unprimeable number, because it can be changed into a prime (90906853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55341 + ... + 56959.

It is an arithmetic number, because the mean of its divisors is an integer number (7055910).

Almost surely, 2^90906850 is an apocalyptic number.

90906850 is a deficient number, since it is larger than the sum of its proper divisors (78434990).

90906850 is a wasteful number, since it uses less digits than its factorization.

90906850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754 (or 2749 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 90906850 is about 9534.5083774676. The cubic root of 90906850 is about 449.6406184148.

The spelling of 90906850 in words is "ninety million, nine hundred six thousand, eight hundred fifty".