2643460 has 12 divisors (see below), whose sum is σ = 5551308. Its totient is φ = 1057376.

The previous prime is 2643457. The next prime is 2643461. The reversal of 2643460 is 643462.

2643460 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 831744 + 1811716 = 912^2 + 1346^2 .

It is not an unprimeable number, because it can be changed into a prime (2643461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66067 + ... + 66106.

It is an arithmetic number, because the mean of its divisors is an integer number (462609).

2^2643460 is an apocalyptic number.

2643460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2643460 is an abundant number, since it is smaller than the sum of its proper divisors (2907848).

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

2643460 is a wasteful number, since it uses less digits than its factorization.

2643460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132182 (or 132180 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 2643460 is about 1625.8720736885. The cubic root of 2643460 is about 138.2688171922.

The spelling of 2643460 in words is "two million, six hundred forty-three thousand, four hundred sixty".