2129361 has 16 divisors (see below), whose sum is σ = 3104640. Its totient is φ = 1290240.

The previous prime is 2129357. The next prime is 2129371. The reversal of 2129361 is 1639212.

2129361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2129361 - 2² = 2129357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2129321) 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 in 15 ways as a sum of consecutive naturals, for example, 2385 + ... + 3153.

It is an arithmetic number, because the mean of its divisors is an integer number (194040).

2^2129361 is an apocalyptic number.

It is an amenable number.

2129361 is a deficient number, since it is larger than the sum of its proper divisors (975279).

2129361 is a wasteful number, since it uses less digits than its factorization.

2129361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856.

The product of its digits is 648, while the sum is 24.

The square root of 2129361 is about 1459.2330177186. The cubic root of 2129361 is about 128.6519673520.

The spelling of 2129361 in words is "two million, one hundred twenty-nine thousand, three hundred sixty-one".