2646897 has 8 divisors (see below), whose sum is σ = 3850080. Its totient is φ = 1604160.

The previous prime is 2646893. The next prime is 2646901. The reversal of 2646897 is 7986462.

It is an interprime number because it is at equal distance from previous prime (2646893) and next prime (2646901).

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

It is not a de Polignac number, because 2646897 - 2² = 2646893 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2646893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40072 + ... + 40137.

It is an arithmetic number, because the mean of its divisors is an integer number (481260).

2^2646897 is an apocalyptic number.

It is an amenable number.

2646897 is a deficient number, since it is larger than the sum of its proper divisors (1203183).

2646897 is a wasteful number, since it uses less digits than its factorization.

2646897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80223.

The product of its digits is 145152, while the sum is 42.

The square root of 2646897 is about 1626.9287015724. The cubic root of 2646897 is about 138.3287164795.

It can be divided in two parts, 26468 and 97, that added together give a triangular number (26565 = T₂₃₀).

The spelling of 2646897 in words is "two million, six hundred forty-six thousand, eight hundred ninety-seven".