2857797 has 12 divisors (see below), whose sum is σ = 4261504. Its totient is φ = 1843560.

The previous prime is 2857763. The next prime is 2857801. The reversal of 2857797 is 7977582.

It is not a de Polignac number, because 2857797 - 2⁸ = 2857541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2857097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4843 + ... + 5400.

2^2857797 is an apocalyptic number.

It is an amenable number.

2857797 is a deficient number, since it is larger than the sum of its proper divisors (1403707).

2857797 is a wasteful number, since it uses less digits than its factorization.

2857797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10280 (or 10277 counting only the distinct ones).

The product of its digits is 246960, while the sum is 45.

The square root of 2857797 is about 1690.5019964496. The cubic root of 2857797 is about 141.9091695791.

The spelling of 2857797 in words is "two million, eight hundred fifty-seven thousand, seven hundred ninety-seven".