2243896 has 8 divisors (see below), whose sum is σ = 4207320. Its totient is φ = 1121944.

The previous prime is 2243893. The next prime is 2243909. The reversal of 2243896 is 6983422.

It is a tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 2⁵ + 2¹⁵ + 4 + 3³ + 8 + 9⁶ + 6⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140236 + ... + 140251.

It is an arithmetic number, because the mean of its divisors is an integer number (525915).

2^2243896 is an apocalyptic number.

It is an amenable number.

2243896 is a deficient number, since it is larger than the sum of its proper divisors (1963424).

2243896 is a wasteful number, since it uses less digits than its factorization.

2243896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280493 (or 280489 counting only the distinct ones).

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

The square root of 2243896 is about 1497.9639515022. The cubic root of 2243896 is about 130.9184660560.

The spelling of 2243896 in words is "two million, two hundred forty-three thousand, eight hundred ninety-six".