329996172 has 48 divisors (see below), whose sum is σ = 852550272. Its totient is φ = 98503680.

The previous prime is 329996171. The next prime is 329996207. The reversal of 329996172 is 271699923.

It is not an unprimeable number, because it can be changed into a prime (329996171) 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, 9813 + ... + 27500.

It is an arithmetic number, because the mean of its divisors is an integer number (17761464).

Almost surely, 2^329996172 is an apocalyptic number.

It is an amenable number.

329996172 is an abundant number, since it is smaller than the sum of its proper divisors (522554100).

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

329996172 is a wasteful number, since it uses less digits than its factorization.

329996172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37398 (or 37396 counting only the distinct ones).

The product of its digits is 367416, while the sum is 48.

The square root of 329996172 is about 18165.7967620471. The cubic root of 329996172 is about 691.0396509605.

It can be divided in two parts, 3299961 and 72, that added together give a palindrome (3300033).

The spelling of 329996172 in words is "three hundred twenty-nine million, nine hundred ninety-six thousand, one hundred seventy-two".