90085234 has 8 divisors (see below), whose sum is σ = 135418608. Its totient is φ = 44945700.

The previous prime is 90085231. The next prime is 90085253. The reversal of 90085234 is 43258009.

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 = 90085196 and 90085205.

It is not an unprimeable number, because it can be changed into a prime (90085231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47292 + ... + 49159.

It is an arithmetic number, because the mean of its divisors is an integer number (16927326).

Almost surely, 2^90085234 is an apocalyptic number.

90085234 is a deficient number, since it is larger than the sum of its proper divisors (45333374).

90085234 is a wasteful number, since it uses less digits than its factorization.

90085234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96920.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 90085234 is about 9491.3241436588. The cubic root of 90085234 is about 448.2818996688.

The spelling of 90085234 in words is "ninety million, eighty-five thousand, two hundred thirty-four".