90236896 has 12 divisors (see below), whose sum is σ = 177653952. Its totient is φ = 45118432.

The previous prime is 90236891. The next prime is 90236897. The reversal of 90236896 is 69863209.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90236891) 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 as a sum of consecutive naturals, namely, 1409920 + ... + 1409983.

It is an arithmetic number, because the mean of its divisors is an integer number (14804496).

Almost surely, 2^90236896 is an apocalyptic number.

It is an amenable number.

90236896 is a deficient number, since it is larger than the sum of its proper divisors (87417056).

90236896 is a wasteful number, since it uses less digits than its factorization.

90236896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819913 (or 2819905 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 90236896 is about 9499.3102907527. The cubic root of 90236896 is about 448.5333253057.

The spelling of 90236896 in words is "ninety million, two hundred thirty-six thousand, eight hundred ninety-six".