4945947 has 8 divisors (see below), whose sum is σ = 6941760. Its totient is φ = 3123720.

The previous prime is 4945939. The next prime is 4945961. The reversal of 4945947 is 7495494.

4945947 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4945947 - 2³ = 4945939 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 4945899 and 4945908.

It is not an unprimeable number, because it can be changed into a prime (4945937) 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, 43329 + ... + 43442.

It is an arithmetic number, because the mean of its divisors is an integer number (867720).

Almost surely, 2^4945947 is an apocalyptic number.

4945947 is a deficient number, since it is larger than the sum of its proper divisors (1995813).

4945947 is a wasteful number, since it uses less digits than its factorization.

4945947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86793.

The product of its digits is 181440, while the sum is 42.

The square root of 4945947 is about 2223.9485155911. The cubic root of 4945947 is about 170.3791652214.

It can be divided in two parts, 494 and 5947, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 4945947 in words is "four million, nine hundred forty-five thousand, nine hundred forty-seven".