328105898 has 4 divisors (see below), whose sum is σ = 492158850. Its totient is φ = 164052948.

The previous prime is 328105861. The next prime is 328105907. The reversal of 328105898 is 898501823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 898501823 = 233 ⋅3856231.

It can be written as a sum of positive squares in only one way, i.e., 261242569 + 66863329 = 16163^2 + 8177^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82026473 + ... + 82026476.

Almost surely, 2^328105898 is an apocalyptic number.

328105898 is a deficient number, since it is larger than the sum of its proper divisors (164052952).

328105898 is a wasteful number, since it uses less digits than its factorization.

328105898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164052951.

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 328105898 is about 18113.6936597702. The cubic root of 328105898 is about 689.7176594623.

The spelling of 328105898 in words is "three hundred twenty-eight million, one hundred five thousand, eight hundred ninety-eight".