329742228 has 24 divisors (see below), whose sum is σ = 769759200. Its totient is φ = 109862560.

The previous prime is 329742197. The next prime is 329742239. The reversal of 329742228 is 822247923.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27298 + ... + 37478.

It is an arithmetic number, because the mean of its divisors is an integer number (32073300).

Almost surely, 2^329742228 is an apocalyptic number.

It is an amenable number.

329742228 is an abundant number, since it is smaller than the sum of its proper divisors (440016972).

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

329742228 is a wasteful number, since it uses less digits than its factorization.

329742228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12887 (or 12885 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 329742228 is about 18158.8057977390. The cubic root of 329742228 is about 690.8623454628.

The spelling of 329742228 in words is "three hundred twenty-nine million, seven hundred forty-two thousand, two hundred twenty-eight".