4047427 has 4 divisors (see below), whose sum is σ = 4053240. Its totient is φ = 4041616.

The previous prime is 4047419. The next prime is 4047431. The reversal of 4047427 is 7247404.

4047427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4047427 - 2³ = 4047419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4047395 and 4047404.

It is not an unprimeable number, because it can be changed into a prime (4047487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1693 + ... + 3310.

It is an arithmetic number, because the mean of its divisors is an integer number (1013310).

Almost surely, 2^4047427 is an apocalyptic number.

4047427 is a deficient number, since it is larger than the sum of its proper divisors (5813).

4047427 is an equidigital number, since it uses as much as digits as its factorization.

4047427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5812.

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 4047427 is about 2011.8218111950. The cubic root of 4047427 is about 159.3650224178.

The spelling of 4047427 in words is "four million, forty-seven thousand, four hundred twenty-seven".