2662340 has 12 divisors (see below), whose sum is σ = 5590956. Its totient is φ = 1064928.

The previous prime is 2662339. The next prime is 2662381. The reversal of 2662340 is 432662.

2662340 is digitally balanced in base 2, 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 719104 + 1943236 = 848^2 + 1394^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 66539 + ... + 66578.

It is an arithmetic number, because the mean of its divisors is an integer number (465913).

2^2662340 is an apocalyptic number.

2662340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2662340 is an abundant number, since it is smaller than the sum of its proper divisors (2928616).

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

2662340 is a wasteful number, since it uses less digits than its factorization.

2662340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133126 (or 133124 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2662340 is about 1631.6678583584. The cubic root of 2662340 is about 138.5972156940.

The spelling of 2662340 in words is "two million, six hundred sixty-two thousand, three hundred forty".