2797971 has 8 divisors (see below), whose sum is σ = 4069824. Its totient is φ = 1695720.

The previous prime is 2797961. The next prime is 2797999. The reversal of 2797971 is 1797972.

2797971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2797971 - 2⁵ = 2797939 is a prime.

It is a super-3 number, since 3×2797971³ = 65712937479333988833, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2797901) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 42361 + ... + 42426.

It is an arithmetic number, because the mean of its divisors is an integer number (508728).

2^2797971 is an apocalyptic number.

2797971 is a deficient number, since it is larger than the sum of its proper divisors (1271853).

2797971 is a wasteful number, since it uses less digits than its factorization.

2797971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84801.

The product of its digits is 55566, while the sum is 42.

The square root of 2797971 is about 1672.7136634822. The cubic root of 2797971 is about 140.9119212499.

Subtracting from 2797971 its reverse (1797972), we obtain a palindrome (999999).

The spelling of 2797971 in words is "two million, seven hundred ninety-seven thousand, nine hundred seventy-one".