2897198 has 16 divisors (see below), whose sum is σ = 4548096. Its totient is φ = 1382520.

The previous prime is 2897197. The next prime is 2897227. The reversal of 2897198 is 8917982.

2897198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2897197) 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, 4865 + ... + 5427.

It is an arithmetic number, because the mean of its divisors is an integer number (284256).

2^2897198 is an apocalyptic number.

2897198 is a deficient number, since it is larger than the sum of its proper divisors (1650898).

2897198 is a wasteful number, since it uses less digits than its factorization.

2897198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679.

The product of its digits is 72576, while the sum is 44.

The square root of 2897198 is about 1702.1157422455. The cubic root of 2897198 is about 142.5583714901.

The spelling of 2897198 in words is "two million, eight hundred ninety-seven thousand, one hundred ninety-eight".