328729029 has 8 divisors (see below), whose sum is σ = 439935840. Its totient is φ = 218337456.

The previous prime is 328729019. The next prime is 328729031. The reversal of 328729029 is 920927823.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 328729029 - 2¹³ = 328720837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328729019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202867 + ... + 204480.

It is an arithmetic number, because the mean of its divisors is an integer number (54991980).

Almost surely, 2^328729029 is an apocalyptic number.

It is an amenable number.

328729029 is a deficient number, since it is larger than the sum of its proper divisors (111206811).

328729029 is a wasteful number, since it uses less digits than its factorization.

328729029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407619.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 328729029 is about 18130.8860511559. The cubic root of 328729029 is about 690.1540151891.

The spelling of 328729029 in words is "three hundred twenty-eight million, seven hundred twenty-nine thousand, twenty-nine".