2139382 has 32 divisors (see below), whose sum is σ = 3965760. Its totient is φ = 844800.

The previous prime is 2139373. The next prime is 2139383. The reversal of 2139382 is 2839312.

It is an Ulam number.

Its product of digits (2592) is a multiple of the sum of its prime divisors (216).

It is a self number, because there is not a number n which added to its sum of digits gives 2139382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139383) 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, 21132 + ... + 21232.

It is an arithmetic number, because the mean of its divisors is an integer number (123930).

2^2139382 is an apocalyptic number.

2139382 is a deficient number, since it is larger than the sum of its proper divisors (1826378).

2139382 is a wasteful number, since it uses less digits than its factorization.

2139382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216.

The product of its digits is 2592, while the sum is 28.

The square root of 2139382 is about 1462.6626405293. The cubic root of 2139382 is about 128.8534682141.

The spelling of 2139382 in words is "two million, one hundred thirty-nine thousand, three hundred eighty-two".