9090050 has 24 divisors (see below), whose sum is σ = 17493300. Its totient is φ = 3510080.

The previous prime is 9090041. The next prime is 9090061. The reversal of 9090050 is 500909.

It can be written as a sum of positive squares in 6 ways, for example, as 2582449 + 6507601 = 1607^2 + 2551^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9089998 and 9090025.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1685 + ... + 4584.

Almost surely, 2^9090050 is an apocalyptic number.

9090050 is a deficient number, since it is larger than the sum of its proper divisors (8403250).

9090050 is a wasteful number, since it uses less digits than its factorization.

9090050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6310 (or 6305 counting only the distinct ones).

The product of its (nonzero) digits is 405, while the sum is 23.

The square root of 9090050 is about 3014.9709783014. The cubic root of 9090050 is about 208.6998277836.

Adding to 9090050 its reverse (500909), we get a palindrome (9590959).

The spelling of 9090050 in words is "nine million, ninety thousand, fifty".