9090413 has 4 divisors (see below), whose sum is σ = 9104988. Its totient is φ = 9075840.

The previous prime is 9090407. The next prime is 9090437. The reversal of 9090413 is 3140909.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3140909 = 19 ⋅165311.

It can be written as a sum of positive squares in 2 ways, for example, as 3694084 + 5396329 = 1922^2 + 2323^2 .

It is a cyclic number.

It is not a de Polignac number, because 9090413 - 2¹⁰ = 9089389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9090463) 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 in 3 ways as a sum of consecutive naturals, for example, 6308 + ... + 7613.

It is an arithmetic number, because the mean of its divisors is an integer number (2276247).

Almost surely, 2^9090413 is an apocalyptic number.

It is an amenable number.

9090413 is a deficient number, since it is larger than the sum of its proper divisors (14575).

9090413 is a wasteful number, since it uses less digits than its factorization.

9090413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14574.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 9090413 is about 3015.0311772849. The cubic root of 9090413 is about 208.7026058038.

The spelling of 9090413 in words is "nine million, ninety thousand, four hundred thirteen".