90189334 has 8 divisors (see below), whose sum is σ = 138162528. Its totient is φ = 44135160.

The previous prime is 90189289. The next prime is 90189343. The reversal of 90189334 is 43398109.

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

It is a junction number, because it is equal to n+sod(n) for n = 90189293 and 90189302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479637 + ... + 479824.

It is an arithmetic number, because the mean of its divisors is an integer number (17270316).

Almost surely, 2^90189334 is an apocalyptic number.

90189334 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

90189334 is a deficient number, since it is larger than the sum of its proper divisors (47973194).

90189334 is a wasteful number, since it uses less digits than its factorization.

90189334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959510.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 90189334 is about 9496.8065158768. The cubic root of 90189334 is about 448.4545072459.

The spelling of 90189334 in words is "ninety million, one hundred eighty-nine thousand, three hundred thirty-four".