90622592 has 32 divisors (see below), whose sum is σ = 183249120. Its totient is φ = 44630784.

The previous prime is 90622591. The next prime is 90622639. The reversal of 90622592 is 29522609.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (90622591) 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 3 ways as a sum of consecutive naturals, for example, 3293 + ... + 13859.

It is an arithmetic number, because the mean of its divisors is an integer number (5726535).

Almost surely, 2^90622592 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 90622592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91624560).

90622592 is an abundant number, since it is smaller than the sum of its proper divisors (92626528).

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

90622592 is a wasteful number, since it uses less digits than its factorization.

90622592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10648 (or 10636 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 90622592 is about 9519.5899071336. The cubic root of 90622592 is about 449.1714663984.

The spelling of 90622592 in words is "ninety million, six hundred twenty-two thousand, five hundred ninety-two".