328814749 has 4 divisors (see below), whose sum is σ = 329188860. Its totient is φ = 328440640.

The previous prime is 328814743. The next prime is 328814753. The reversal of 328814749 is 947418823.

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

It can be written as a sum of positive squares in 2 ways, for example, as 167702500 + 161112249 = 12950^2 + 12693^2 .

It is a cyclic number.

It is not a de Polignac number, because 328814749 - 2⁹ = 328814237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 328814699 and 328814708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328814743) 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, 185734 + ... + 187495.

It is an arithmetic number, because the mean of its divisors is an integer number (82297215).

Almost surely, 2^328814749 is an apocalyptic number.

It is an amenable number.

328814749 is a deficient number, since it is larger than the sum of its proper divisors (374111).

328814749 is an equidigital number, since it uses as much as digits as its factorization.

328814749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374110.

The product of its digits is 387072, while the sum is 46.

The square root of 328814749 is about 18133.2498190479. The cubic root of 328814749 is about 690.2139985953.

The spelling of 328814749 in words is "three hundred twenty-eight million, eight hundred fourteen thousand, seven hundred forty-nine".