9956947 has 40 divisors (see below), whose sum is σ = 14117040. Its totient is φ = 6914880.

The previous prime is 9956941. The next prime is 9956963. The reversal of 9956947 is 7496599.

9956947 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9956947 - 2³ = 9956939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

Its product of digits (612360) is a multiple of the sum of its prime divisors (60).

9956947 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9956947.

It is not an unprimeable number, because it can be changed into a prime (9956941) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 343329 + ... + 343357.

It is an arithmetic number, because the mean of its divisors is an integer number (352926).

Almost surely, 2^9956947 is an apocalyptic number.

9956947 is a deficient number, since it is larger than the sum of its proper divisors (4160093).

9956947 is a wasteful number, since it uses less digits than its factorization.

9956947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 60 counting only the distinct ones).

The product of its digits is 612360, while the sum is 49.

The square root of 9956947 is about 3155.4630405061. The cubic root of 9956947 is about 215.1338413081.

9956947 divided by its sum of digits (49) gives a triangular number (203203 = T₆₃₇).

The spelling of 9956947 in words is "nine million, nine hundred fifty-six thousand, nine hundred forty-seven".