2706440 has 32 divisors (see below), whose sum is σ = 6644160. Its totient is φ = 984000.

The previous prime is 2706437. The next prime is 2706443. The reversal of 2706440 is 446072.

It is an interprime number because it is at equal distance from previous prime (2706437) and next prime (2706443).

It is not an unprimeable number, because it can be changed into a prime (2706443) 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 7 ways as a sum of consecutive naturals, for example, 2636 + ... + 3515.

It is an arithmetic number, because the mean of its divisors is an integer number (207630).

2^2706440 is an apocalyptic number.

2706440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2706440 is an abundant number, since it is smaller than the sum of its proper divisors (3937720).

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

2706440 is a wasteful number, since it uses less digits than its factorization.

2706440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6173 (or 6169 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 2706440 is about 1645.1261349818. The cubic root of 2706440 is about 139.3582875924.

The spelling of 2706440 in words is "two million, seven hundred six thousand, four hundred forty".