2128662 has 12 divisors (see below), whose sum is σ = 4612140. Its totient is φ = 709548.

The previous prime is 2128649. The next prime is 2128663. The reversal of 2128662 is 2668212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59112 + ... + 59147.

It is an arithmetic number, because the mean of its divisors is an integer number (384345).

2^2128662 is an apocalyptic number.

2128662 is an abundant number, since it is smaller than the sum of its proper divisors (2483478).

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

2128662 is a wasteful number, since it uses less digits than its factorization.

2128662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118267 (or 118264 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 2128662 is about 1458.9934886764. The cubic root of 2128662 is about 128.6378883917.

The spelling of 2128662 in words is "two million, one hundred twenty-eight thousand, six hundred sixty-two".