2897967 has 4 divisors (see below), whose sum is σ = 3863960. Its totient is φ = 1931976.

The previous prime is 2897963. The next prime is 2897971. The reversal of 2897967 is 7697982.

2897967 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2897963) and next prime (2897971).

It is not a de Polignac number, because 2897967 - 2² = 2897963 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2897963) 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 3 ways as a sum of consecutive naturals, for example, 482992 + ... + 482997.

It is an arithmetic number, because the mean of its divisors is an integer number (965990).

2^2897967 is an apocalyptic number.

2897967 is a deficient number, since it is larger than the sum of its proper divisors (965993).

2897967 is an equidigital number, since it uses as much as digits as its factorization.

2897967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965992.

The product of its digits is 381024, while the sum is 48.

The square root of 2897967 is about 1702.3416225893. The cubic root of 2897967 is about 142.5709834102.

It can be divided in two parts, 289 and 7967, that added together give a triangular number (8256 = T₁₂₈).

The spelling of 2897967 in words is "two million, eight hundred ninety-seven thousand, nine hundred sixty-seven".