9969499 has 4 divisors (see below), whose sum is σ = 10181664. Its totient is φ = 9757336.

The previous prime is 9969457. The next prime is 9969503. The reversal of 9969499 is 9949699.

9969499 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9949699 = 821 ⋅12119.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9969499 is a prime.

It is a super-2 number, since 2×9969499² = 198781820622002, which contains 22 as substring.

It is a Duffinian number.

9969499 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9969899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106012 + ... + 106105.

It is an arithmetic number, because the mean of its divisors is an integer number (2545416).

Almost surely, 2^9969499 is an apocalyptic number.

9969499 is a deficient number, since it is larger than the sum of its proper divisors (212165).

9969499 is a wasteful number, since it uses less digits than its factorization.

9969499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212164.

The product of its digits is 1417176, while the sum is 55.

The square root of 9969499 is about 3157.4513456267. The cubic root of 9969499 is about 215.2242045508.

The spelling of 9969499 in words is "nine million, nine hundred sixty-nine thousand, four hundred ninety-nine".