328749359 has 4 divisors (see below), whose sum is σ = 328803840. Its totient is φ = 328694880.

The previous prime is 328749331. The next prime is 328749361. The reversal of 328749359 is 953947823.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328749359 is a prime.

It is a super-2 number, since 2×328749359² = 216152282085821762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328749259) 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, 16874 + ... + 30695.

It is an arithmetic number, because the mean of its divisors is an integer number (82200960).

Almost surely, 2^328749359 is an apocalyptic number.

328749359 is a deficient number, since it is larger than the sum of its proper divisors (54481).

328749359 is an equidigital number, since it uses as much as digits as its factorization.

328749359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54480.

The product of its digits is 1632960, while the sum is 50.

The square root of 328749359 is about 18131.4466880059. The cubic root of 328749359 is about 690.1682422481.

The spelling of 328749359 in words is "three hundred twenty-eight million, seven hundred forty-nine thousand, three hundred fifty-nine".