2877491 has 4 divisors (see below), whose sum is σ = 2904000. Its totient is φ = 2850984.

The previous prime is 2877487. The next prime is 2877533. The reversal of 2877491 is 1947782.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1947782 = 2 ⋅973891.

It is a cyclic number.

It is not a de Polignac number, because 2877491 - 2² = 2877487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2877401) 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, 13091 + ... + 13308.

It is an arithmetic number, because the mean of its divisors is an integer number (726000).

2^2877491 is an apocalyptic number.

2877491 is a deficient number, since it is larger than the sum of its proper divisors (26509).

2877491 is a wasteful number, since it uses less digits than its factorization.

2877491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26508.

The product of its digits is 28224, while the sum is 38.

The square root of 2877491 is about 1696.3168925646. The cubic root of 2877491 is about 142.2344042254.

The spelling of 2877491 in words is "two million, eight hundred seventy-seven thousand, four hundred ninety-one".