2443605 has 8 divisors (see below), whose sum is σ = 3909792. Its totient is φ = 1303248.

The previous prime is 2443601. The next prime is 2443613. The reversal of 2443605 is 5063442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2443605 - 2² = 2443601 is a prime.

2443605 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2443601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81439 + ... + 81468.

It is an arithmetic number, because the mean of its divisors is an integer number (488724).

2^2443605 is an apocalyptic number.

It is an amenable number.

2443605 is a deficient number, since it is larger than the sum of its proper divisors (1466187).

2443605 is a wasteful number, since it uses less digits than its factorization.

2443605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162915.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2443605 is about 1563.2034416543. The cubic root of 2443605 is about 134.6925789379.

The spelling of 2443605 in words is "two million, four hundred forty-three thousand, six hundred five".