2243634 has 16 divisors (see below), whose sum is σ = 4723680. Its totient is φ = 708480.

The previous prime is 2243623. The next prime is 2243663. The reversal of 2243634 is 4363422.

It is a happy number.

It is a d-powerful number, because it can be written as 2⁷ + 2²¹ + 4⁶ + 3¹⁰ + 6⁵ + 3¹⁰ + 4⁷ .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9727 + ... + 9954.

It is an arithmetic number, because the mean of its divisors is an integer number (295230).

2^2243634 is an apocalyptic number.

2243634 is an abundant number, since it is smaller than the sum of its proper divisors (2480046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2243634 is a wasteful number, since it uses less digits than its factorization.

2243634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19705.

The product of its digits is 3456, while the sum is 24.

The square root of 2243634 is about 1497.8764969115. The cubic root of 2243634 is about 130.9133704584.

The spelling of 2243634 in words is "two million, two hundred forty-three thousand, six hundred thirty-four".