2443365 has 24 divisors (see below), whose sum is σ = 4394208. Its totient is φ = 1302480.

The previous prime is 2443361. The next prime is 2443373. The reversal of 2443365 is 5633442.

It is not a de Polignac number, because 2443365 - 2² = 2443361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 2²¹ + 4 + 4⁸ + 3 + 3⁶ + 6⁷ + 5 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2443361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 210 + ... + 2220.

It is an arithmetic number, because the mean of its divisors is an integer number (183092).

2^2443365 is an apocalyptic number.

It is an amenable number.

2443365 is a deficient number, since it is larger than the sum of its proper divisors (1950843).

2443365 is an equidigital number, since it uses as much as digits as its factorization.

2443365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031 (or 2019 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 2443365 is about 1563.1266743294. The cubic root of 2443365 is about 134.6881691585.

Adding to 2443365 its product of digits (8640), we get a triangular number (2452005 = T₂₂₁₄).

The spelling of 2443365 in words is "two million, four hundred forty-three thousand, three hundred sixty-five".