2128492 has 12 divisors (see below), whose sum is σ = 3738280. Its totient is φ = 1060416.

The previous prime is 2128487. The next prime is 2128493. The reversal of 2128492 is 2948212.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2128492.

It is not an unprimeable number, because it can be changed into a prime (2128493) 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, 559 + ... + 2137.

2^2128492 is an apocalyptic number.

It is an amenable number.

2128492 is a deficient number, since it is larger than the sum of its proper divisors (1609788).

2128492 is a wasteful number, since it uses less digits than its factorization.

2128492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920 (or 1918 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 2128492 is about 1458.9352281716. The cubic root of 2128492 is about 128.6344638581.

The spelling of 2128492 in words is "two million, one hundred twenty-eight thousand, four hundred ninety-two".