2249405 has 8 divisors (see below), whose sum is σ = 2710584. Its totient is φ = 1792000.

The previous prime is 2249399. The next prime is 2249411. The reversal of 2249405 is 5049422.

2249405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2249399) and next prime (2249411).

It can be written as a sum of positive squares in 4 ways, for example, as 1110916 + 1138489 = 1054^2 + 1067^2 .

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

It is not a de Polignac number, because 2249405 - 2¹⁰ = 2248381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 605 + ... + 2205.

It is an arithmetic number, because the mean of its divisors is an integer number (338823).

2^2249405 is an apocalyptic number.

It is an amenable number.

2249405 is a deficient number, since it is larger than the sum of its proper divisors (461179).

2249405 is a wasteful number, since it uses less digits than its factorization.

2249405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2249405 is about 1499.8016535529. The cubic root of 2249405 is about 131.0255180171.

The spelling of 2249405 in words is "two million, two hundred forty-nine thousand, four hundred five".