9930445 has 32 divisors (see below), whose sum is σ = 14572800. Its totient is φ = 6345216.

The previous prime is 9930443. The next prime is 9930461. The reversal of 9930445 is 5440399.

It is a cyclic number.

It is not a de Polignac number, because 9930445 - 2¹ = 9930443 is a prime.

It is a super-2 number, since 2×9930445² = 197227475796050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9930445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9930443) 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 31 ways as a sum of consecutive naturals, for example, 72417 + ... + 72553.

It is an arithmetic number, because the mean of its divisors is an integer number (455400).

Almost surely, 2^9930445 is an apocalyptic number.

9930445 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

9930445 is a deficient number, since it is larger than the sum of its proper divisors (4642355).

9930445 is a wasteful number, since it uses less digits than its factorization.

9930445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 9930445 is about 3151.2608587675. The cubic root of 9930445 is about 214.9428007204.

The spelling of 9930445 in words is "nine million, nine hundred thirty thousand, four hundred forty-five".