9956747 has 4 divisors (see below), whose sum is σ = 10542456. Its totient is φ = 9371040.

The previous prime is 9956729. The next prime is 9956753. The reversal of 9956747 is 7476599.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7476599 = 13 ⋅575123.

It is a cyclic number.

It is not a de Polignac number, because 9956747 - 2¹⁰ = 9955723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9956717) 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, 292829 + ... + 292862.

It is an arithmetic number, because the mean of its divisors is an integer number (2635614).

Almost surely, 2^9956747 is an apocalyptic number.

9956747 is a deficient number, since it is larger than the sum of its proper divisors (585709).

9956747 is a wasteful number, since it uses less digits than its factorization.

9956747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585708.

The product of its digits is 476280, while the sum is 47.

The square root of 9956747 is about 3155.4313492770. The cubic root of 9956747 is about 215.1324008714.

The spelling of 9956747 in words is "nine million, nine hundred fifty-six thousand, seven hundred forty-seven".