328003249 has 4 divisors (see below), whose sum is σ = 374860864. Its totient is φ = 281145636.

The previous prime is 328003241. The next prime is 328003259. The reversal of 328003249 is 942300823.

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 a cyclic number.

It is not a de Polignac number, because 328003249 - 2³ = 328003241 is a prime.

It is a super-2 number, since 2×328003249² = 215172262709112002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 328003249.

It is not an unprimeable number, because it can be changed into a prime (328003241) 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, 23428797 + ... + 23428810.

It is an arithmetic number, because the mean of its divisors is an integer number (93715216).

Almost surely, 2^328003249 is an apocalyptic number.

It is an amenable number.

328003249 is a deficient number, since it is larger than the sum of its proper divisors (46857615).

328003249 is an equidigital number, since it uses as much as digits as its factorization.

328003249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46857614.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 328003249 is about 18110.8599740598. The cubic root of 328003249 is about 689.6457251539.

The spelling of 328003249 in words is "three hundred twenty-eight million, three thousand, two hundred forty-nine".