9090794 has 4 divisors (see below), whose sum is σ = 13636194. Its totient is φ = 4545396.

The previous prime is 9090793. The next prime is 9090811. The reversal of 9090794 is 4970909.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6325225 + 2765569 = 2515^2 + 1663^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9090791) 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, 2272697 + ... + 2272700.

Almost surely, 2^9090794 is an apocalyptic number.

9090794 is a deficient number, since it is larger than the sum of its proper divisors (4545400).

9090794 is a wasteful number, since it uses less digits than its factorization.

9090794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4545399.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 9090794 is about 3015.0943600491. The cubic root of 9090794 is about 208.7055214976.

Subtracting from 9090794 its reverse (4970909), we obtain a triangular number (4119885 = T₂₈₇₀).

The spelling of 9090794 in words is "nine million, ninety thousand, seven hundred ninety-four".