328243893 has 8 divisors (see below), whose sum is σ = 445916448. Its totient is φ = 214700304.

The previous prime is 328243889. The next prime is 328244047. The reversal of 328243893 is 398342823.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 328243893 - 2² = 328243889 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328243813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1032055 + ... + 1032372.

It is an arithmetic number, because the mean of its divisors is an integer number (55739556).

Almost surely, 2^328243893 is an apocalyptic number.

It is an amenable number.

328243893 is a deficient number, since it is larger than the sum of its proper divisors (117672555).

328243893 is a wasteful number, since it uses less digits than its factorization.

328243893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064483.

The product of its digits is 248832, while the sum is 42.

The square root of 328243893 is about 18117.5023940939. The cubic root of 328243893 is about 689.8143398825.

The spelling of 328243893 in words is "three hundred twenty-eight million, two hundred forty-three thousand, eight hundred ninety-three".