2129192 has 32 divisors (see below), whose sum is σ = 4384800. Its totient is φ = 963264.

The previous prime is 2129177. The next prime is 2129203. The reversal of 2129192 is 2919212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5963 + ... + 6309.

It is an arithmetic number, because the mean of its divisors is an integer number (137025).

2^2129192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2129192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2192400).

2129192 is an abundant number, since it is smaller than the sum of its proper divisors (2255608).

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

2129192 is a wasteful number, since it uses less digits than its factorization.

2129192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 421 counting only the distinct ones).

The product of its digits is 648, while the sum is 26.

The square root of 2129192 is about 1459.1751094368. The cubic root of 2129192 is about 128.6485637084.

The spelling of 2129192 in words is "two million, one hundred twenty-nine thousand, one hundred ninety-two".