9961269 has 8 divisors (see below), whose sum is σ = 14063040. Its totient is φ = 6250176.

The previous prime is 9961267. The next prime is 9961279. The reversal of 9961269 is 9621699.

It is a happy number.

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

It is not a de Polignac number, because 9961269 - 2¹ = 9961267 is a prime.

It is a super-2 number, since 2×9961269² = 198453760180722, 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 9961269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9961267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97609 + ... + 97710.

It is an arithmetic number, because the mean of its divisors is an integer number (1757880).

Almost surely, 2^9961269 is an apocalyptic number.

It is an amenable number.

9961269 is a deficient number, since it is larger than the sum of its proper divisors (4101771).

9961269 is a wasteful number, since it uses less digits than its factorization.

9961269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195339.

The product of its digits is 52488, while the sum is 42.

The square root of 9961269 is about 3156.1478102269. The cubic root of 9961269 is about 215.1649644345.

It can be divided in two parts, 99612 and 69, that added together give a triangular number (99681 = T₄₄₆).

The spelling of 9961269 in words is "nine million, nine hundred sixty-one thousand, two hundred sixty-nine".