90485694 has 64 divisors (see below), whose sum is σ = 218191680. Its totient is φ = 27630720.

The previous prime is 90485641. The next prime is 90485719. The reversal of 90485694 is 49658409.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109804 + ... + 110624.

It is an arithmetic number, because the mean of its divisors is an integer number (3409245).

Almost surely, 2^90485694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90485694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109095840).

90485694 is an abundant number, since it is smaller than the sum of its proper divisors (127705986).

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

90485694 is a wasteful number, since it uses less digits than its factorization.

90485694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002 (or 996 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 90485694 is about 9512.3968588364. The cubic root of 90485694 is about 448.9451738024.

The spelling of 90485694 in words is "ninety million, four hundred eighty-five thousand, six hundred ninety-four".