2443564 has 6 divisors (see below), whose sum is σ = 4276244. Its totient is φ = 1221780.

The previous prime is 2443547. The next prime is 2443583. The reversal of 2443564 is 4653442.

It is a d-powerful number, because it can be written as 2²¹ + 4⁷ + 4⁸ + 3⁷ + 5³ + 6² + 4⁹ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305442 + ... + 305449.

2^2443564 is an apocalyptic number.

It is an amenable number.

2443564 is a deficient number, since it is larger than the sum of its proper divisors (1832680).

2443564 is a wasteful number, since it uses less digits than its factorization.

2443564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610895 (or 610893 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 2443564 is about 1563.1903275033. The cubic root of 2443564 is about 134.6918256211.

The spelling of 2443564 in words is "two million, four hundred forty-three thousand, five hundred sixty-four".