2871512 has 32 divisors (see below), whose sum is σ = 6289920. Its totient is φ = 1203360.

The previous prime is 2871509. The next prime is 2871563. The reversal of 2871512 is 2151782.

2871512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2871512² = 16491162332288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2087 + ... + 3177.

It is an arithmetic number, because the mean of its divisors is an integer number (196560).

2^2871512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2871512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3144960).

2871512 is an abundant number, since it is smaller than the sum of its proper divisors (3418408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2871512 is a wasteful number, since it uses less digits than its factorization.

2871512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151 (or 1147 counting only the distinct ones).

The product of its digits is 1120, while the sum is 26.

The square root of 2871512 is about 1694.5536285406. The cubic root of 2871512 is about 142.1358219074.

The spelling of 2871512 in words is "two million, eight hundred seventy-one thousand, five hundred twelve".