2981697 has 16 divisors (see below), whose sum is σ = 4208640. Its totient is φ = 1873872.

The previous prime is 2981677. The next prime is 2981707. The reversal of 2981697 is 7961892.

It is not a de Polignac number, because 2981697 - 2⁷ = 2981569 is a prime.

2981697 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2981677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5178 + ... + 5724.

It is an arithmetic number, because the mean of its divisors is an integer number (263040).

2^2981697 is an apocalyptic number.

It is an amenable number.

2981697 is a deficient number, since it is larger than the sum of its proper divisors (1226943).

2981697 is a wasteful number, since it uses less digits than its factorization.

2981697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652.

The product of its digits is 54432, while the sum is 42.

The square root of 2981697 is about 1726.7591030598. The cubic root of 2981697 is about 143.9310530275.

The spelling of 2981697 in words is "two million, nine hundred eighty-one thousand, six hundred ninety-seven".