9969249 has 16 divisors (see below), whose sum is σ = 13745600. Its totient is φ = 6422976.

The previous prime is 9969233. The next prime is 9969263. The reversal of 9969249 is 9429699.

It is not a de Polignac number, because 9969249 - 2⁴ = 9969233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9969198 and 9969207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9969209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13707 + ... + 14415.

It is an arithmetic number, because the mean of its divisors is an integer number (859100).

Almost surely, 2^9969249 is an apocalyptic number.

It is an amenable number.

9969249 is a deficient number, since it is larger than the sum of its proper divisors (3776351).

9969249 is a wasteful number, since it uses less digits than its factorization.

9969249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864.

The product of its digits is 314928, while the sum is 48.

The square root of 9969249 is about 3157.4117564866. The cubic root of 9969249 is about 215.2224055135. Note that the first 3 decimals are identical.

The spelling of 9969249 in words is "nine million, nine hundred sixty-nine thousand, two hundred forty-nine".