2681972 has 6 divisors (see below), whose sum is σ = 4693458. Its totient is φ = 1340984.

The previous prime is 2681969. The next prime is 2681989. The reversal of 2681972 is 2791862.

It is a happy number.

2681972 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 only one way, i.e., 2676496 + 5476 = 1636^2 + 74^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 335243 + ... + 335250.

It is an arithmetic number, because the mean of its divisors is an integer number (782243).

2^2681972 is an apocalyptic number.

It is an amenable number.

2681972 is a deficient number, since it is larger than the sum of its proper divisors (2011486).

2681972 is a wasteful number, since it uses less digits than its factorization.

2681972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670497 (or 670495 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 2681972 is about 1637.6727389805. The cubic root of 2681972 is about 138.9370520489.

The spelling of 2681972 in words is "two million, six hundred eighty-one thousand, nine hundred seventy-two".