2091612 has 24 divisors (see below), whose sum is σ = 5168016. Its totient is φ = 656128.

The previous prime is 2091599. The next prime is 2091613. The reversal of 2091612 is 2161902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2091613) 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, 4923 + ... + 5330.

It is an arithmetic number, because the mean of its divisors is an integer number (215334).

2^2091612 is an apocalyptic number.

It is an amenable number.

2091612 is an abundant number, since it is smaller than the sum of its proper divisors (3076404).

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

2091612 is a wasteful number, since it uses less digits than its factorization.

2091612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10277 (or 10275 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 2091612 is about 1446.2406438764. The cubic root of 2091612 is about 127.8871890163.

The spelling of 2091612 in words is "two million, ninety-one thousand, six hundred twelve".