2645841 has 8 divisors (see below), whose sum is σ = 3848544. Its totient is φ = 1603520.

The previous prime is 2645831. The next prime is 2645843. The reversal of 2645841 is 1485462.

2645841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2645841 - 2⁵ = 2645809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2645799 and 2645808.

It is not an unprimeable number, because it can be changed into a prime (2645843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40056 + ... + 40121.

It is an arithmetic number, because the mean of its divisors is an integer number (481068).

2^2645841 is an apocalyptic number.

It is an amenable number.

2645841 is a deficient number, since it is larger than the sum of its proper divisors (1202703).

2645841 is a wasteful number, since it uses less digits than its factorization.

2645841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80191.

The product of its digits is 7680, while the sum is 30.

The square root of 2645841 is about 1626.6041313116. The cubic root of 2645841 is about 138.3103182627.

It can be divided in two parts, 2645 and 841, that added together give a triangular number (3486 = T₈₃).

The spelling of 2645841 in words is "two million, six hundred forty-five thousand, eight hundred forty-one".