9969243 has 32 divisors (see below), whose sum is σ = 14956800. Its totient is φ = 5878656.

The previous prime is 9969233. The next prime is 9969263. The reversal of 9969243 is 3429699.

9969243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9969243 - 2⁴ = 9969227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9969195 and 9969204.

It is not an unprimeable number, because it can be changed into a prime (9969203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61080 + ... + 61242.

It is an arithmetic number, because the mean of its divisors is an integer number (467400).

Almost surely, 2^9969243 is an apocalyptic number.

9969243 is a deficient number, since it is larger than the sum of its proper divisors (4987557).

9969243 is a wasteful number, since it uses less digits than its factorization.

9969243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251.

The product of its digits is 104976, while the sum is 42.

The square root of 9969243 is about 3157.4108063412. The cubic root of 9969243 is about 215.2223623362. Note that the first 3 decimals are identical.

The spelling of 9969243 in words is "nine million, nine hundred sixty-nine thousand, two hundred forty-three".