90005894 has 8 divisors (see below), whose sum is σ = 147282408. Its totient is φ = 40911760.

The previous prime is 90005891. The next prime is 90005897. The reversal of 90005894 is 49850009.

It is an interprime number because it is at equal distance from previous prime (90005891) and next prime (90005897).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90005891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2045567 + ... + 2045610.

It is an arithmetic number, because the mean of its divisors is an integer number (18410301).

Almost surely, 2^90005894 is an apocalyptic number.

90005894 is a deficient number, since it is larger than the sum of its proper divisors (57276514).

90005894 is a wasteful number, since it uses less digits than its factorization.

90005894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4091190.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 90005894 is about 9487.1436164949. The cubic root of 90005894 is about 448.1502571828.

The spelling of 90005894 in words is "ninety million, five thousand, eight hundred ninety-four".