90856338 has 8 divisors (see below), whose sum is σ = 181712688. Its totient is φ = 30285444.

The previous prime is 90856327. The next prime is 90856361. The reversal of 90856338 is 83365809.

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

90856338 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 90856338.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7571356 + ... + 7571367.

It is an arithmetic number, because the mean of its divisors is an integer number (22714086).

Almost surely, 2^90856338 is an apocalyptic number.

90856338 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

90856338 is a wasteful number, since it uses less digits than its factorization.

90856338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15142728.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 90856338 is about 9531.8591051274. The cubic root of 90856338 is about 449.5573226937.

The spelling of 90856338 in words is "ninety million, eight hundred fifty-six thousand, three hundred thirty-eight".