9990302 has 16 divisors (see below), whose sum is σ = 17200512. Its totient is φ = 4263000.

The previous prime is 9990289. The next prime is 9990307. The reversal of 9990302 is 2030999.

It is a super-2 number, since 2×9990302² = 199612268102408, which contains 22 as substring.

It is a d-powerful number, because it can be written as 9² + 9³ + 9⁴ + 0 + 3¹³ + 0 + 2²³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9990307) 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, 2093 + ... + 4935.

It is an arithmetic number, because the mean of its divisors is an integer number (1075032).

Almost surely, 2^9990302 is an apocalyptic number.

9990302 is a deficient number, since it is larger than the sum of its proper divisors (7210210).

9990302 is a wasteful number, since it uses less digits than its factorization.

9990302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 9990302 is about 3160.7438997806. The cubic root of 9990302 is about 215.3738007848.

The spelling of 9990302 in words is "nine million, nine hundred ninety thousand, three hundred two".