2971684 has 12 divisors (see below), whose sum is σ = 5272204. Its totient is φ = 1465344.

The previous prime is 2971663. The next prime is 2971693. The reversal of 2971684 is 4861792.

2971684 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 1822500 + 1149184 = 1350^2 + 1072^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4797 + ... + 5380.

2^2971684 is an apocalyptic number.

It is an amenable number.

2971684 is a deficient number, since it is larger than the sum of its proper divisors (2300520).

2971684 is a wasteful number, since it uses less digits than its factorization.

2971684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10254 (or 10252 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 2971684 is about 1723.8573026791. The cubic root of 2971684 is about 143.7697580907.

Subtracting from 2971684 its product of digits (24192), we obtain a palindrome (2947492).

It can be divided in two parts, 2971 and 684, that added together give a triangular number (3655 = T₈₅).

The spelling of 2971684 in words is "two million, nine hundred seventy-one thousand, six hundred eighty-four".