90889342 has 8 divisors (see below), whose sum is σ = 138060000. Its totient is φ = 44869344.

The previous prime is 90889247. The next prime is 90889343. The reversal of 90889342 is 24398809.

It is a happy number.

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 (90889343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287467 + ... + 287782.

It is an arithmetic number, because the mean of its divisors is an integer number (17257500).

Almost surely, 2^90889342 is an apocalyptic number.

90889342 is a deficient number, since it is larger than the sum of its proper divisors (47170658).

90889342 is a wasteful number, since it uses less digits than its factorization.

90889342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575330.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 90889342 is about 9533.5901946748. The cubic root of 90889342 is about 449.6117507208.

The spelling of 90889342 in words is "ninety million, eight hundred eighty-nine thousand, three hundred forty-two".