9949679 has 4 divisors (see below), whose sum is σ = 9981384. Its totient is φ = 9917976.

The previous prime is 9949663. The next prime is 9949703. The reversal of 9949679 is 9769499.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9769499 = 293 ⋅33343.

It is a cyclic number.

It is not a de Polignac number, because 9949679 - 2⁴ = 9949663 is a prime.

It is a super-2 number, since 2×9949679² = 197992224406082, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9949679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9949619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15377 + ... + 16010.

It is an arithmetic number, because the mean of its divisors is an integer number (2495346).

Almost surely, 2^9949679 is an apocalyptic number.

9949679 is a deficient number, since it is larger than the sum of its proper divisors (31705).

9949679 is a wasteful number, since it uses less digits than its factorization.

9949679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31704.

The product of its digits is 1102248, while the sum is 53.

The square root of 9949679 is about 3154.3111767865. The cubic root of 9949679 is about 215.0814834465.

The spelling of 9949679 in words is "nine million, nine hundred forty-nine thousand, six hundred seventy-nine".