328287043 has 4 divisors (see below), whose sum is σ = 375185200. Its totient is φ = 281388888.

The previous prime is 328287023. The next prime is 328287077. The reversal of 328287043 is 340782823.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340782823 = 12959 ⋅26297.

It is a cyclic number.

It is not a de Polignac number, because 328287043 - 2²⁵ = 294732611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 328286993 and 328287011.

It is not an unprimeable number, because it can be changed into a prime (328287013) 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, 23449068 + ... + 23449081.

It is an arithmetic number, because the mean of its divisors is an integer number (93796300).

Almost surely, 2^328287043 is an apocalyptic number.

328287043 is a deficient number, since it is larger than the sum of its proper divisors (46898157).

328287043 is an equidigital number, since it uses as much as digits as its factorization.

328287043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46898156.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 328287043 is about 18118.6931923911. The cubic root of 328287043 is about 689.8445655624.

The spelling of 328287043 in words is "three hundred twenty-eight million, two hundred eighty-seven thousand, forty-three".