328999847 has 12 divisors (see below), whose sum is σ = 365369088. Its totient is φ = 295996800.

The previous prime is 328999829. The next prime is 328999849. The reversal of 328999847 is 748999823.

It is not a de Polignac number, because 328999847 - 2⁸ = 328999591 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 (328999849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2279 + ... + 25752.

It is an arithmetic number, because the mean of its divisors is an integer number (30447424).

Almost surely, 2^328999847 is an apocalyptic number.

328999847 is a deficient number, since it is larger than the sum of its proper divisors (36369241).

328999847 is a wasteful number, since it uses less digits than its factorization.

328999847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28150 (or 28139 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 59.

The square root of 328999847 is about 18138.3529296350. The cubic root of 328999847 is about 690.3434871762.

The spelling of 328999847 in words is "three hundred twenty-eight million, nine hundred ninety-nine thousand, eight hundred forty-seven".