9942947 has 8 divisors (see below), whose sum is σ = 11961600. Its totient is φ = 8073864.

The previous prime is 9942941. The next prime is 9943057. The reversal of 9942947 is 7492499.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9942947 - 2⁴ = 9942931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9942898 and 9942907.

It is not an unprimeable number, because it can be changed into a prime (9942941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37247 + ... + 37512.

It is an arithmetic number, because the mean of its divisors is an integer number (1495200).

Almost surely, 2^9942947 is an apocalyptic number.

9942947 is a deficient number, since it is larger than the sum of its proper divisors (2018653).

9942947 is a wasteful number, since it uses less digits than its factorization.

9942947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74785.

The product of its digits is 163296, while the sum is 44.

The square root of 9942947 is about 3153.2438852712. The cubic root of 9942947 is about 215.0329641182.

The spelling of 9942947 in words is "nine million, nine hundred forty-two thousand, nine hundred forty-seven".