9090213 has 8 divisors (see below), whose sum is σ = 13222176. Its totient is φ = 5509200.

The previous prime is 9090203. The next prime is 9090217. The reversal of 9090213 is 3120909.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9090213 - 2⁵ = 9090181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9090217) by changing a digit.

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, 137698 + ... + 137763.

It is an arithmetic number, because the mean of its divisors is an integer number (1652772).

Almost surely, 2^9090213 is an apocalyptic number.

It is an amenable number.

9090213 is a deficient number, since it is larger than the sum of its proper divisors (4131963).

9090213 is a wasteful number, since it uses less digits than its factorization.

9090213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275475.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 9090213 is about 3014.9980099496. The cubic root of 9090213 is about 208.7010752233.

The spelling of 9090213 in words is "nine million, ninety thousand, two hundred thirteen".