2128606 has 8 divisors (see below), whose sum is σ = 3213720. Its totient is φ = 1057368.

The previous prime is 2128603. The next prime is 2128631. The reversal of 2128606 is 6068212.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128601) 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, 3076 + ... + 3703.

It is an arithmetic number, because the mean of its divisors is an integer number (401715).

2^2128606 is an apocalyptic number.

2128606 is a deficient number, since it is larger than the sum of its proper divisors (1085114).

2128606 is a wasteful number, since it uses less digits than its factorization.

2128606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6938.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2128606 is about 1458.9742972376. The cubic root of 2128606 is about 128.6367603302.

The spelling of 2128606 in words is "two million, one hundred twenty-eight thousand, six hundred six".