4249863 has 24 divisors (see below), whose sum is σ = 6692400. Its totient is φ = 2588544.

The previous prime is 4249853. The next prime is 4249867. The reversal of 4249863 is 3689424.

It is a happy number.

It is not a de Polignac number, because 4249863 - 2⁵ = 4249831 is a prime.

It is a super-2 number, since 2×4249863² = 36122671037538, which contains 22 as substring.

4249863 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4249867) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4531 + ... + 5387.

It is an arithmetic number, because the mean of its divisors is an integer number (278850).

Almost surely, 2^4249863 is an apocalyptic number.

4249863 is a deficient number, since it is larger than the sum of its proper divisors (2442537).

4249863 is a wasteful number, since it uses less digits than its factorization.

4249863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911 (or 908 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 4249863 is about 2061.5195851604. The cubic root of 4249863 is about 161.9788495479.

The spelling of 4249863 in words is "four million, two hundred forty-nine thousand, eight hundred sixty-three".