2139328 has 14 divisors (see below), whose sum is σ = 4245356. Its totient is φ = 1069632.

The previous prime is 2139323. The next prime is 2139337. The reversal of 2139328 is 8239312.

2139328 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 2⁹ + 1 + 3⁹ + 9 + 3¹³ + 2¹⁹ + 8³ .

It is a junction number, because it is equal to n+sod(n) for n = 2139296 and 2139305.

It is not an unprimeable number, because it can be changed into a prime (2139323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16650 + ... + 16777.

2^2139328 is an apocalyptic number.

It is an amenable number.

2139328 is a deficient number, since it is larger than the sum of its proper divisors (2106028).

2139328 is an equidigital number, since it uses as much as digits as its factorization.

2139328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33439 (or 33429 counting only the distinct ones).

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

The square root of 2139328 is about 1462.6441809271. The cubic root of 2139328 is about 128.8523840776.

The spelling of 2139328 in words is "two million, one hundred thirty-nine thousand, three hundred twenty-eight".