2123914 has 8 divisors (see below), whose sum is σ = 3430980. Its totient is φ = 980256.

The previous prime is 2123909. The next prime is 2123917. The reversal of 2123914 is 4193212.

It can be written as a sum of positive squares in 2 ways, for example, as 2117025 + 6889 = 1455^2 + 83^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2123914² = 9022021358792, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁹ + 1 + 2²¹ + 3⁹ + 9⁴ + 1 + 4 .

It is not an unprimeable number, because it can be changed into a prime (2123917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40819 + ... + 40870.

2^2123914 is an apocalyptic number.

2123914 is a deficient number, since it is larger than the sum of its proper divisors (1307066).

2123914 is a wasteful number, since it uses less digits than its factorization.

2123914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81704.

The product of its digits is 432, while the sum is 22.

The square root of 2123914 is about 1457.3654311805. The cubic root of 2123914 is about 128.5421745318.

The spelling of 2123914 in words is "two million, one hundred twenty-three thousand, nine hundred fourteen".