9904969 has 8 divisors (see below), whose sum is σ = 10067400. Its totient is φ = 9744000.

The previous prime is 9904967. The next prime is 9904987. The reversal of 9904969 is 9694099.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6051600 + 3853369 = 2460^2 + 1963^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 9904969 - 2¹ = 9904967 is a prime.

It is a super-2 number, since 2×9904969² = 196216821781922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9904967) 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, 28207 + ... + 28555.

It is an arithmetic number, because the mean of its divisors is an integer number (1258425).

Almost surely, 2^9904969 is an apocalyptic number.

It is an amenable number.

9904969 is a deficient number, since it is larger than the sum of its proper divisors (162431).

9904969 is a wasteful number, since it uses less digits than its factorization.

9904969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731.

The product of its (nonzero) digits is 157464, while the sum is 46.

The square root of 9904969 is about 3147.2160713875. The cubic root of 9904969 is about 214.7588354108.

The spelling of 9904969 in words is "nine million, nine hundred four thousand, nine hundred sixty-nine".