2061870 has 16 divisors (see below), whose sum is σ = 4948560. Its totient is φ = 549824.

The previous prime is 2061869. The next prime is 2061877. The reversal of 2061870 is 781602.

It is a self number, because there is not a number n which added to its sum of digits gives 2061870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34335 + ... + 34394.

It is an arithmetic number, because the mean of its divisors is an integer number (309285).

2^2061870 is an apocalyptic number.

2061870 is an abundant number, since it is smaller than the sum of its proper divisors (2886690).

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

2061870 is a wasteful number, since it uses less digits than its factorization.

2061870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68739.

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

The square root of 2061870 is about 1435.9213070360. The cubic root of 2061870 is about 127.2781223749.

The spelling of 2061870 in words is "two million, sixty-one thousand, eight hundred seventy".