9479947 has 4 divisors (see below), whose sum is σ = 9681696. Its totient is φ = 9278200.

The previous prime is 9479941. The next prime is 9479957. The reversal of 9479947 is 7499749.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7499749 = 97 ⋅77317.

It is a cyclic number.

It is not a de Polignac number, because 9479947 - 2⁷ = 9479819 is a prime.

It is a super-3 number, since 3×9479947³ (a number of 22 digits) contains 333 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 9479947.

It is not an unprimeable number, because it can be changed into a prime (9479941) 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, 100804 + ... + 100897.

It is an arithmetic number, because the mean of its divisors is an integer number (2420424).

Almost surely, 2^9479947 is an apocalyptic number.

9479947 is a deficient number, since it is larger than the sum of its proper divisors (201749).

9479947 is a wasteful number, since it uses less digits than its factorization.

9479947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201748.

The product of its digits is 571536, while the sum is 49.

The square root of 9479947 is about 3078.9522568562. The cubic root of 9479947 is about 211.6420549914.

The spelling of 9479947 in words is "nine million, four hundred seventy-nine thousand, nine hundred forty-seven".