2871802 has 4 divisors (see below), whose sum is σ = 4307706. Its totient is φ = 1435900.

The previous prime is 2871797. The next prime is 2871811. The reversal of 2871802 is 2081782.

2871802 is nontrivially palindromic in base 4.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2081782 = 2 ⋅1040891.

It can be written as a sum of positive squares in only one way, i.e., 2859481 + 12321 = 1691^2 + 111^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 717949 + ... + 717952.

2^2871802 is an apocalyptic number.

2871802 is a deficient number, since it is larger than the sum of its proper divisors (1435904).

2871802 is a wasteful number, since it uses less digits than its factorization.

2871802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435903.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 2871802 is about 1694.6391946370. The cubic root of 2871802 is about 142.1406066109.

The spelling of 2871802 in words is "two million, eight hundred seventy-one thousand, eight hundred two".