2070871 has 4 divisors (see below), whose sum is σ = 2259144. Its totient is φ = 1882600.

The previous prime is 2070863. The next prime is 2070877. The reversal of 2070871 is 1780702.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2070871 - 2³ = 2070863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2070877) 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, 94120 + ... + 94141.

It is an arithmetic number, because the mean of its divisors is an integer number (564786).

2^2070871 is an apocalyptic number.

2070871 is a deficient number, since it is larger than the sum of its proper divisors (188273).

2070871 is a wasteful number, since it uses less digits than its factorization.

2070871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188272.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 2070871 is about 1439.0521185836. The cubic root of 2070871 is about 127.4630624770.

The spelling of 2070871 in words is "two million, seventy thousand, eight hundred seventy-one".