328745667 has 16 divisors (see below), whose sum is σ = 449815968. Its totient is φ = 213438720.

The previous prime is 328745663. The next prime is 328745671. The reversal of 328745667 is 766547823.

It is an interprime number because it is at equal distance from previous prime (328745663) and next prime (328745671).

It is not a de Polignac number, because 328745667 - 2² = 328745663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (328745663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78273 + ... + 82365.

It is an arithmetic number, because the mean of its divisors is an integer number (28113498).

Almost surely, 2^328745667 is an apocalyptic number.

328745667 is a deficient number, since it is larger than the sum of its proper divisors (121070301).

328745667 is a wasteful number, since it uses less digits than its factorization.

328745667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4790.

The product of its digits is 1693440, while the sum is 48.

The square root of 328745667 is about 18131.3448756566. The cubic root of 328745667 is about 690.1656586074.

The spelling of 328745667 in words is "three hundred twenty-eight million, seven hundred forty-five thousand, six hundred sixty-seven".