328441407 has 16 divisors (see below), whose sum is σ = 500997120. Its totient is φ = 187487712.

The previous prime is 328441397. The next prime is 328441409. The reversal of 328441407 is 704144823.

It is not a de Polignac number, because 328441407 - 2⁸ = 328441151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328441409) 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, 14293 + ... + 29345.

It is an arithmetic number, because the mean of its divisors is an integer number (31312320).

Almost surely, 2^328441407 is an apocalyptic number.

328441407 is a deficient number, since it is larger than the sum of its proper divisors (172555713).

328441407 is a wasteful number, since it uses less digits than its factorization.

328441407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16102.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 328441407 is about 18122.9524912471. The cubic root of 328441407 is about 689.9526726623.

The spelling of 328441407 in words is "three hundred twenty-eight million, four hundred forty-one thousand, four hundred seven".