2121714 has 40 divisors (see below), whose sum is σ = 5436288. Its totient is φ = 605880.

The previous prime is 2121683. The next prime is 2121737. The reversal of 2121714 is 4171212.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 199 + ... + 2069.

2^2121714 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2121714, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2718144).

2121714 is an abundant number, since it is smaller than the sum of its proper divisors (3314574).

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

2121714 is a wasteful number, since it uses less digits than its factorization.

2121714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892 (or 1883 counting only the distinct ones).

The product of its digits is 112, while the sum is 18.

The square root of 2121714 is about 1456.6104489533. The cubic root of 2121714 is about 128.4977768645.

Adding to 2121714 its reverse (4171212), we get a palindrome (6292926).

The spelling of 2121714 in words is "two million, one hundred twenty-one thousand, seven hundred fourteen".