328610099 has 4 divisors (see below), whose sum is σ = 330312936. Its totient is φ = 326907264.

The previous prime is 328610089. The next prime is 328610129. The reversal of 328610099 is 990016823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 990016823 = 97 ⋅10206359.

It is a cyclic number.

It is not a de Polignac number, because 328610099 - 2²⁰ = 327561523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328610069) 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, 851129 + ... + 851514.

It is an arithmetic number, because the mean of its divisors is an integer number (82578234).

Almost surely, 2^328610099 is an apocalyptic number.

328610099 is a deficient number, since it is larger than the sum of its proper divisors (1702837).

328610099 is a wasteful number, since it uses less digits than its factorization.

328610099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702836.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 328610099 is about 18127.6059919671. The cubic root of 328610099 is about 690.0707754888.

The spelling of 328610099 in words is "three hundred twenty-eight million, six hundred ten thousand, ninety-nine".