328650873 has 4 divisors (see below), whose sum is σ = 438201168. Its totient is φ = 219100580.

The previous prime is 328650863. The next prime is 328650877. The reversal of 328650873 is 378056823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 378056823 = 3 ⋅126018941.

It is a cyclic number.

It is not a de Polignac number, because 328650873 - 2⁸ = 328650617 is a prime.

It is a super-2 number, since 2×328650873² = 216022792647324258, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (328650877) 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, 54775143 + ... + 54775148.

It is an arithmetic number, because the mean of its divisors is an integer number (109550292).

Almost surely, 2^328650873 is an apocalyptic number.

It is an amenable number.

328650873 is a deficient number, since it is larger than the sum of its proper divisors (109550295).

328650873 is a wasteful number, since it uses less digits than its factorization.

328650873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109550294.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 328650873 is about 18128.7305953837. The cubic root of 328650873 is about 690.0993156769.

The spelling of 328650873 in words is "three hundred twenty-eight million, six hundred fifty thousand, eight hundred seventy-three".