2293644 has 12 divisors (see below), whose sum is σ = 5351864. Its totient is φ = 764544.

The previous prime is 2293637. The next prime is 2293649. The reversal of 2293644 is 4463922.

It is a tau number, because it is divible by the number of its divisors (12).

It is a d-powerful number, because it can be written as 2¹⁵ + 2¹⁹ + 9⁵ + 3¹³ + 6⁴ + 4⁷ + 4⁸ .

It is not an unprimeable number, because it can be changed into a prime (2293649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95557 + ... + 95580.

2^2293644 is an apocalyptic number.

It is an amenable number.

2293644 is an abundant number, since it is smaller than the sum of its proper divisors (3058220).

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

2293644 is a wasteful number, since it uses less digits than its factorization.

2293644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191144 (or 191142 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 2293644 is about 1514.4781279371. The cubic root of 2293644 is about 131.8789063928.

The spelling of 2293644 in words is "two million, two hundred ninety-three thousand, six hundred forty-four".