4240749 has 8 divisors (see below), whose sum is σ = 5687712. Its totient is φ = 2810480.

The previous prime is 4240741. The next prime is 4240783. The reversal of 4240749 is 9470424.

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

It is a cyclic number.

It is not a de Polignac number, because 4240749 - 2³ = 4240741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4240741) 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, 3567 + ... + 4604.

It is an arithmetic number, because the mean of its divisors is an integer number (710964).

Almost surely, 2^4240749 is an apocalyptic number.

It is an amenable number.

4240749 is a deficient number, since it is larger than the sum of its proper divisors (1446963).

4240749 is a wasteful number, since it uses less digits than its factorization.

4240749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8347.

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

The square root of 4240749 is about 2059.3078934438. The cubic root of 4240749 is about 161.8629766515.

The spelling of 4240749 in words is "four million, two hundred forty thousand, seven hundred forty-nine".