2129386 has 32 divisors (see below), whose sum is σ = 4043520. Its totient is φ = 819456.

The previous prime is 2129371. The next prime is 2129389. The reversal of 2129386 is 6839212.

It is not an unprimeable number, because it can be changed into a prime (2129389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5280 + ... + 5668.

It is an arithmetic number, because the mean of its divisors is an integer number (126360).

2^2129386 is an apocalyptic number.

2129386 is a deficient number, since it is larger than the sum of its proper divisors (1914134).

2129386 is a wasteful number, since it uses less digits than its factorization.

2129386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438.

The product of its digits is 5184, while the sum is 31.

The square root of 2129386 is about 1459.2415838373. The cubic root of 2129386 is about 128.6524708343.

The spelling of 2129386 in words is "two million, one hundred twenty-nine thousand, three hundred eighty-six".