328947573 has 4 divisors (see below), whose sum is σ = 438596768. Its totient is φ = 219298380.

The previous prime is 328947571. The next prime is 328947583. The reversal of 328947573 is 375749823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 328947573 - 2¹ = 328947571 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328947571) 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, 54824593 + ... + 54824598.

It is an arithmetic number, because the mean of its divisors is an integer number (109649192).

Almost surely, 2^328947573 is an apocalyptic number.

It is an amenable number.

328947573 is a deficient number, since it is larger than the sum of its proper divisors (109649195).

328947573 is a wasteful number, since it uses less digits than its factorization.

328947573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109649194.

The product of its digits is 1270080, while the sum is 48.

The square root of 328947573 is about 18136.9118926018. The cubic root of 328947573 is about 690.3069228969.

The spelling of 328947573 in words is "three hundred twenty-eight million, nine hundred forty-seven thousand, five hundred seventy-three".