9906090 has 16 divisors (see below), whose sum is σ = 23774688. Its totient is φ = 2641616.

The previous prime is 9906079. The next prime is 9906101. The reversal of 9906090 is 906099.

It is an interprime number because it is at equal distance from previous prime (9906079) and next prime (9906101).

It is a super-3 number, since 3×9906090³ (a number of 22 digits) contains 333 as substring.

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, 165072 + ... + 165131.

It is an arithmetic number, because the mean of its divisors is an integer number (1485918).

Almost surely, 2^9906090 is an apocalyptic number.

9906090 is an abundant number, since it is smaller than the sum of its proper divisors (13868598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9906090 is a wasteful number, since it uses less digits than its factorization.

9906090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330213.

The product of its (nonzero) digits is 4374, while the sum is 33.

The square root of 9906090 is about 3147.3941602538. The cubic root of 9906090 is about 214.7669369194.

The spelling of 9906090 in words is "nine million, nine hundred six thousand, ninety".