2706978 has 16 divisors (see below), whose sum is σ = 5732640. Its totient is φ = 849216.

The previous prime is 2706973. The next prime is 2706989. The reversal of 2706978 is 8796072.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2706971) 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, 13168 + ... + 13371.

It is an arithmetic number, because the mean of its divisors is an integer number (358290).

2^2706978 is an apocalyptic number.

2706978 is an abundant number, since it is smaller than the sum of its proper divisors (3025662).

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

2706978 is a wasteful number, since it uses less digits than its factorization.

2706978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26561.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 2706978 is about 1645.2896401546. The cubic root of 2706978 is about 139.3675210985.

The spelling of 2706978 in words is "two million, seven hundred six thousand, nine hundred seventy-eight".