4139328 has 28 divisors (see below), whose sum is σ = 10952480. Its totient is φ = 1379712.

The previous prime is 4139323. The next prime is 4139329. The reversal of 4139328 is 8239314.

It is a junction number, because it is equal to n+sod(n) for n = 4139295 and 4139304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4139323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10588 + ... + 10971.

It is an arithmetic number, because the mean of its divisors is an integer number (391160).

Almost surely, 2^4139328 is an apocalyptic number.

4139328 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4139328 is an abundant number, since it is smaller than the sum of its proper divisors (6813152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4139328 is a wasteful number, since it uses less digits than its factorization.

4139328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21574 (or 21564 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 4139328 is about 2034.5338532450. The cubic root of 4139328 is about 160.5621890001.

The spelling of 4139328 in words is "four million, one hundred thirty-nine thousand, three hundred twenty-eight".