9090836 has 24 divisors (see below), whose sum is σ = 16310784. Its totient is φ = 4432320.

The previous prime is 9090821. The next prime is 9090847. The reversal of 9090836 is 6380909.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9090796 and 9090805.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 47501 + ... + 47691.

It is an arithmetic number, because the mean of its divisors is an integer number (679616).

Almost surely, 2^9090836 is an apocalyptic number.

It is an amenable number.

9090836 is a deficient number, since it is larger than the sum of its proper divisors (7219948).

9090836 is a wasteful number, since it uses less digits than its factorization.

9090836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 9090836 is about 3015.1013249972. The cubic root of 9090836 is about 208.7058429077.

The spelling of 9090836 in words is "nine million, ninety thousand, eight hundred thirty-six".