4240047 has 8 divisors (see below), whose sum is σ = 6461056. Its totient is φ = 2422872.

The previous prime is 4240043. The next prime is 4240063. The reversal of 4240047 is 7400424.

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

It is not a de Polignac number, because 4240047 - 2² = 4240043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 201907 = 4240047 / (4 + 2 + 4 + 0 + 0 + 4 + 7).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4240043) 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 7 ways as a sum of consecutive naturals, for example, 100933 + ... + 100974.

It is an arithmetic number, because the mean of its divisors is an integer number (807632).

Almost surely, 2^4240047 is an apocalyptic number.

4240047 is a deficient number, since it is larger than the sum of its proper divisors (2221009).

4240047 is a wasteful number, since it uses less digits than its factorization.

4240047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201917.

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 4240047 is about 2059.1374407747. The cubic root of 4240047 is about 161.8540447325.

The spelling of 4240047 in words is "four million, two hundred forty thousand, forty-seven".