90031794 has 8 divisors (see below), whose sum is σ = 180063600. Its totient is φ = 30010596.

The previous prime is 90031793. The next prime is 90031831. The reversal of 90031794 is 49713009.

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

90031794 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (90031793) 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, 7502644 + ... + 7502655.

It is an arithmetic number, because the mean of its divisors is an integer number (22507950).

Almost surely, 2^90031794 is an apocalyptic number.

90031794 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.

90031794 is a wasteful number, since it uses less digits than its factorization.

90031794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15005304.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 90031794 is about 9488.5085234720. The cubic root of 90031794 is about 448.1932394734.

The spelling of 90031794 in words is "ninety million, thirty-one thousand, seven hundred ninety-four".