2871450 has 60 divisors (see below), whose sum is σ = 7989630. Its totient is φ = 764640.

The previous prime is 2871439. The next prime is 2871457. The reversal of 2871450 is 541782.

2871450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1565001 + 1306449 = 1251^2 + 1143^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2871457) by changing a digit.

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 29 ways as a sum of consecutive naturals, for example, 3696 + ... + 4404.

2^2871450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2871450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3994815).

2871450 is an abundant number, since it is smaller than the sum of its proper divisors (5118180).

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

2871450 is a wasteful number, since it uses less digits than its factorization.

2871450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733 (or 719 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 2871450 is about 1694.5353345386. The cubic root of 2871450 is about 142.1347989290.

Subtracting from 2871450 its product of nonzero digits (2240), we obtain a triangular number (2869210 = T₂₃₉₅).

It can be divided in two parts, 2871 and 450, that added together give a triangular number (3321 = T₈₁).

The spelling of 2871450 in words is "two million, eight hundred seventy-one thousand, four hundred fifty".