2877641 has 16 divisors (see below), whose sum is σ = 3402000. Its totient is φ = 2408448.

The previous prime is 2877631. The next prime is 2877649. The reversal of 2877641 is 1467782.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1225 + 2876416 = 35^2 + 1696^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2877641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2877649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6185 + ... + 6633.

It is an arithmetic number, because the mean of its divisors is an integer number (212625).

2^2877641 is an apocalyptic number.

It is an amenable number.

2877641 is a deficient number, since it is larger than the sum of its proper divisors (524359).

2877641 is a wasteful number, since it uses less digits than its factorization.

2877641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508.

The product of its digits is 18816, while the sum is 35.

The square root of 2877641 is about 1696.3611054254. The cubic root of 2877641 is about 142.2368756829.

The spelling of 2877641 in words is "two million, eight hundred seventy-seven thousand, six hundred forty-one".