2016870 has 64 divisors (see below), whose sum is σ = 5253120. Its totient is φ = 494208.

The previous prime is 2016857. The next prime is 2016877. The reversal of 2016870 is 786102.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2016870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016877) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25491 + ... + 25569.

It is an arithmetic number, because the mean of its divisors is an integer number (82080).

2^2016870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2016870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2626560).

2016870 is an abundant number, since it is smaller than the sum of its proper divisors (3236250).

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

2016870 is a wasteful number, since it uses less digits than its factorization.

2016870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 2016870 is about 1420.1654833152. The cubic root of 2016870 is about 126.3453614060.

The spelling of 2016870 in words is "two million, sixteen thousand, eight hundred seventy".