4047249 has 8 divisors (see below), whose sum is σ = 5464960. Its totient is φ = 2663856.

The previous prime is 4047157. The next prime is 4047257. The reversal of 4047249 is 9427404.

4047249 is digitally balanced in base 2, 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 4047249 - 2⁸ = 4046993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4047299) 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, 8302 + ... + 8775.

It is an arithmetic number, because the mean of its divisors is an integer number (683120).

Almost surely, 2^4047249 is an apocalyptic number.

It is an amenable number.

4047249 is a deficient number, since it is larger than the sum of its proper divisors (1417711).

4047249 is a wasteful number, since it uses less digits than its factorization.

4047249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17159.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 4047249 is about 2011.7775721983. Note that the first 3 decimals coincide. The cubic root of 4047249 is about 159.3626861690.

The spelling of 4047249 in words is "four million, forty-seven thousand, two hundred forty-nine".