328907667 has 16 divisors (see below), whose sum is σ = 481092480. Its totient is φ = 198220800.

The previous prime is 328907641. The next prime is 328907671. The reversal of 328907667 is 766709823.

It is not a de Polignac number, because 328907667 - 2⁶ = 328907603 is a prime.

It is a super-2 number, since 2×328907667² = 216360506822765778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (328977667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21934 + ... + 33747.

It is an arithmetic number, because the mean of its divisors is an integer number (30068280).

Almost surely, 2^328907667 is an apocalyptic number.

328907667 is a deficient number, since it is larger than the sum of its proper divisors (152184813).

328907667 is a wasteful number, since it uses less digits than its factorization.

328907667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55874.

The product of its (nonzero) digits is 762048, while the sum is 48.

The square root of 328907667 is about 18135.8117270775. The cubic root of 328907667 is about 690.2790070988.

The spelling of 328907667 in words is "three hundred twenty-eight million, nine hundred seven thousand, six hundred sixty-seven".