2797557 has 12 divisors (see below), whose sum is σ = 4339296. Its totient is φ = 1598520.

The previous prime is 2797549. The next prime is 2797567. The reversal of 2797557 is 7557972.

It is not a de Polignac number, because 2797557 - 2³ = 2797549 is a prime.

2797557 is a lucky number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2797507) 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, 9369 + ... + 9662.

It is an arithmetic number, because the mean of its divisors is an integer number (361608).

2^2797557 is an apocalyptic number.

It is an amenable number.

2797557 is a deficient number, since it is larger than the sum of its proper divisors (1541739).

2797557 is a wasteful number, since it uses less digits than its factorization.

2797557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19048 (or 19041 counting only the distinct ones).

The product of its digits is 154350, while the sum is 42.

The square root of 2797557 is about 1672.5899078973. The cubic root of 2797557 is about 140.9049709261.

The spelling of 2797557 in words is "two million, seven hundred ninety-seven thousand, five hundred fifty-seven".