2660797 has 4 divisors (see below), whose sum is σ = 2722720. Its totient is φ = 2598876.

The previous prime is 2660783. The next prime is 2660803. The reversal of 2660797 is 7970662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2660797 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30897 + ... + 30982.

It is an arithmetic number, because the mean of its divisors is an integer number (680680).

2^2660797 is an apocalyptic number.

It is an amenable number.

2660797 is a deficient number, since it is larger than the sum of its proper divisors (61923).

2660797 is an equidigital number, since it uses as much as digits as its factorization.

2660797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61922.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 2660797 is about 1631.1949607573. The cubic root of 2660797 is about 138.5704351386.

The spelling of 2660797 in words is "two million, six hundred sixty thousand, seven hundred ninety-seven".