9900369 has 6 divisors (see below), whose sum is σ = 14300546. Its totient is φ = 6600240.

The previous prime is 9900367. The next prime is 9900379. The reversal of 9900369 is 9630099.

It can be written as a sum of positive squares in only one way, i.e., 9381969 + 518400 = 3063^2 + 720^2 .

It is not a de Polignac number, because 9900369 - 2¹ = 9900367 is a prime.

It is a super-2 number, since 2×9900369² = 196034612672322, which contains 22 as substring.

It is a Duffinian number.

9900369 is a modest number, since divided by 369 gives 99 as remainder.

9900369 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9900367) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 550012 + ... + 550029.

Almost surely, 2^9900369 is an apocalyptic number.

It is an amenable number.

9900369 is a deficient number, since it is larger than the sum of its proper divisors (4400177).

9900369 is a wasteful number, since it uses less digits than its factorization.

9900369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100047 (or 1100044 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 36.

The square root of 9900369 is about 3146.4851819133. The cubic root of 9900369 is about 214.7255846383.

The spelling of 9900369 in words is "nine million, nine hundred thousand, three hundred sixty-nine".