2897966 has 4 divisors (see below), whose sum is σ = 4346952. Its totient is φ = 1448982.

The previous prime is 2897963. The next prime is 2897971. The reversal of 2897966 is 6697982.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6697982 = 2 ⋅3348991.

It is a self number, because there is not a number n which added to its sum of digits gives 2897966.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 724490 + ... + 724493.

It is an arithmetic number, because the mean of its divisors is an integer number (1086738).

2^2897966 is an apocalyptic number.

2897966 is a deficient number, since it is larger than the sum of its proper divisors (1448986).

2897966 is a wasteful number, since it uses less digits than its factorization.

2897966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448985.

The product of its digits is 326592, while the sum is 47.

The square root of 2897966 is about 1702.3413288762. The cubic root of 2897966 is about 142.5709670113.

The spelling of 2897966 in words is "two million, eight hundred ninety-seven thousand, nine hundred sixty-six".