4423947 has 8 divisors (see below), whose sum is σ = 6434880. Its totient is φ = 2681160.

The previous prime is 4423933. The next prime is 4423973. The reversal of 4423947 is 7493244.

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

It is not a de Polignac number, because 4423947 - 2⁴ = 4423931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 134059 = 4423947 / (4 + 4 + 2 + 3 + 9 + 4 + 7).

It is not an unprimeable number, because it can be changed into a prime (4423907) 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, 66997 + ... + 67062.

It is an arithmetic number, because the mean of its divisors is an integer number (804360).

Almost surely, 2^4423947 is an apocalyptic number.

4423947 is a deficient number, since it is larger than the sum of its proper divisors (2010933).

4423947 is a wasteful number, since it uses less digits than its factorization.

4423947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134073.

The product of its digits is 24192, while the sum is 33.

The square root of 4423947 is about 2103.3180929189. The cubic root of 4423947 is about 164.1609935024.

The spelling of 4423947 in words is "four million, four hundred twenty-three thousand, nine hundred forty-seven".