9090490 has 16 divisors (see below), whose sum is σ = 16475400. Its totient is φ = 3611200.

The previous prime is 9090463. The next prime is 9090503. The reversal of 9090490 is 940909.

It can be written as a sum of positive squares in 4 ways, for example, as 6066369 + 3024121 = 2463^2 + 1739^2 .

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1561 + ... + 4540.

Almost surely, 2^9090490 is an apocalyptic number.

9090490 is a deficient number, since it is larger than the sum of its proper divisors (7384910).

9090490 is a wasteful number, since it uses less digits than its factorization.

9090490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6257.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 9090490 is about 3015.0439466117. The cubic root of 9090490 is about 208.7031950713.

The spelling of 9090490 in words is "nine million, ninety thousand, four hundred ninety".