9090369 has 18 divisors (see below), whose sum is σ = 13610246. Its totient is φ = 5846400.

The previous prime is 9090353. The next prime is 9090377. The reversal of 9090369 is 9630909.

It can be written as a sum of positive squares in 3 ways, for example, as 18225 + 9072144 = 135^2 + 3012^2 .

It is not a de Polignac number, because 9090369 - 2⁴ = 9090353 is a prime.

It is a super-2 number, since 2×9090369² = 165269617112322, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9097369) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6969 + ... + 8169.

Almost surely, 2^9090369 is an apocalyptic number.

It is an amenable number.

9090369 is a deficient number, since it is larger than the sum of its proper divisors (4519877).

9090369 is a wasteful number, since it uses less digits than its factorization.

9090369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265 (or 1233 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 36.

The square root of 9090369 is about 3015.0238805024. The cubic root of 9090369 is about 208.7022690780.

The spelling of 9090369 in words is "nine million, ninety thousand, three hundred sixty-nine".