2249863 has 16 divisors (see below), whose sum is σ = 2856960. Its totient is φ = 1720800.

The previous prime is 2249861. The next prime is 2249867. The reversal of 2249863 is 3689422.

It is a cyclic number.

It is not a de Polignac number, because 2249863 - 2¹ = 2249861 is a prime.

It is a super-3 number, since 3×2249863³ = 34165633317564535941, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2249861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4458 + ... + 4936.

It is an arithmetic number, because the mean of its divisors is an integer number (178560).

2^2249863 is an apocalyptic number.

2249863 is a deficient number, since it is larger than the sum of its proper divisors (607097).

2249863 is a wasteful number, since it uses less digits than its factorization.

2249863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558.

The product of its digits is 20736, while the sum is 34.

The square root of 2249863 is about 1499.9543326382. The cubic root of 2249863 is about 131.0344100893.

The spelling of 2249863 in words is "two million, two hundred forty-nine thousand, eight hundred sixty-three".