328138392 has 16 divisors (see below), whose sum is σ = 820346040. Its totient is φ = 109379456.

The previous prime is 328138381. The next prime is 328138411. The reversal of 328138392 is 293831823.

It is a self number, because there is not a number n which added to its sum of digits gives 328138392.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6836193 + ... + 6836240.

Almost surely, 2^328138392 is an apocalyptic number.

It is an amenable number.

328138392 is an abundant number, since it is smaller than the sum of its proper divisors (492207648).

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

328138392 is a wasteful number, since it uses less digits than its factorization.

328138392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13672442 (or 13672438 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 328138392 is about 18114.5905832840. The cubic root of 328138392 is about 689.7404274629.

The spelling of 328138392 in words is "three hundred twenty-eight million, one hundred thirty-eight thousand, three hundred ninety-two".