328109236 has 24 divisors (see below), whose sum is σ = 706697600. Its totient is φ = 129801312.

The previous prime is 328109203. The next prime is 328109261. The reversal of 328109236 is 632901823.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450336 + ... + 451063.

Almost surely, 2^328109236 is an apocalyptic number.

It is an amenable number.

328109236 is an abundant number, since it is smaller than the sum of its proper divisors (378588364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

328109236 is a wasteful number, since it uses less digits than its factorization.

328109236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901423 (or 901421 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 328109236 is about 18113.7857997714. The cubic root of 328109236 is about 689.7199984122.

The spelling of 328109236 in words is "three hundred twenty-eight million, one hundred nine thousand, two hundred thirty-six".