2109774 has 16 divisors (see below), whose sum is σ = 4273920. Its totient is φ = 694200.

The previous prime is 2109769. The next prime is 2109791. The reversal of 2109774 is 4779012.

It is a super-2 number, since 2×2109774² = 8902292662152, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1752 + ... + 2699.

It is an arithmetic number, because the mean of its divisors is an integer number (267120).

2^2109774 is an apocalyptic number.

2109774 is an abundant number, since it is smaller than the sum of its proper divisors (2164146).

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

2109774 is a wasteful number, since it uses less digits than its factorization.

2109774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4535.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 2109774 is about 1452.5061101421. The cubic root of 2109774 is about 128.2562817772.

The spelling of 2109774 in words is "two million, one hundred nine thousand, seven hundred seventy-four".