326630172 has 48 divisors (see below), whose sum is σ = 832857984. Its totient is φ = 98808000.

The previous prime is 326630113. The next prime is 326630189. The reversal of 326630172 is 271036623.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89422 + ... + 93002.

It is an arithmetic number, because the mean of its divisors is an integer number (17351208).

Almost surely, 2^326630172 is an apocalyptic number.

It is an amenable number.

326630172 is an abundant number, since it is smaller than the sum of its proper divisors (506227812).

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

326630172 is a wasteful number, since it uses less digits than its factorization.

326630172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290 (or 4288 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 326630172 is about 18072.9126595577. The cubic root of 326630172 is about 688.6820547092.

Adding to 326630172 its reverse (271036623), we get a palindrome (597666795).

The spelling of 326630172 in words is "three hundred twenty-six million, six hundred thirty thousand, one hundred seventy-two".