2129392 has 10 divisors (see below), whose sum is σ = 4125728. Its totient is φ = 1064688.

The previous prime is 2129389. The next prime is 2129399. The reversal of 2129392 is 2939212.

2129392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2129392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2129399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66528 + ... + 66559.

2^2129392 is an apocalyptic number.

It is an amenable number.

2129392 is a deficient number, since it is larger than the sum of its proper divisors (1996336).

2129392 is a wasteful number, since it uses less digits than its factorization.

2129392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133095 (or 133089 counting only the distinct ones).

The product of its digits is 1944, while the sum is 28.

The square root of 2129392 is about 1459.2436396983. The cubic root of 2129392 is about 128.6525916694.

It can be divided in two parts, 212 and 9392, that added together give a square (9604 = 98²).

The spelling of 2129392 in words is "two million, one hundred twenty-nine thousand, three hundred ninety-two".