2081612 has 12 divisors (see below), whose sum is σ = 3923136. Its totient is φ = 960720.

The previous prime is 2081609. The next prime is 2081617. The reversal of 2081612 is 2161802.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2081617) 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, 19964 + ... + 20067.

It is an arithmetic number, because the mean of its divisors is an integer number (326928).

2^2081612 is an apocalyptic number.

It is an amenable number.

2081612 is a deficient number, since it is larger than the sum of its proper divisors (1841524).

2081612 is a wasteful number, since it uses less digits than its factorization.

2081612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40048 (or 40046 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 2081612 is about 1442.7792623960. The cubic root of 2081612 is about 127.6830537342.

The spelling of 2081612 in words is "two million, eighty-one thousand, six hundred twelve".