90223896 has 96 divisors (see below), whose sum is σ = 277881840. Its totient is φ = 24256512.

The previous prime is 90223883. The next prime is 90223897. The reversal of 90223896 is 69832209.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90223897) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 17736 + ... + 22248.

Almost surely, 2^90223896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90223896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138940920).

90223896 is an abundant number, since it is smaller than the sum of its proper divisors (187657944).

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

90223896 is a wasteful number, since it uses less digits than its factorization.

90223896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4553 (or 4542 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 90223896 is about 9498.6260059021. The cubic root of 90223896 is about 448.5117849177.

It can be divided in two parts, 90223 and 896, that added together give a palindrome (91119).

The spelling of 90223896 in words is "ninety million, two hundred twenty-three thousand, eight hundred ninety-six".