90005694 has 16 divisors (see below), whose sum is σ = 180956160. Its totient is φ = 29844440.

The previous prime is 90005687. The next prime is 90005711. The reversal of 90005694 is 49650009.

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 7 ways as a sum of consecutive naturals, for example, 38124 + ... + 40415.

It is an arithmetic number, because the mean of its divisors is an integer number (11309760).

Almost surely, 2^90005694 is an apocalyptic number.

90005694 is an abundant number, since it is smaller than the sum of its proper divisors (90950466).

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

90005694 is a wasteful number, since it uses less digits than its factorization.

90005694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78735.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 90005694 is about 9487.1330759087. The cubic root of 90005694 is about 448.1499252411.

The spelling of 90005694 in words is "ninety million, five thousand, six hundred ninety-four".