329028285 has 32 divisors (see below), whose sum is σ = 564503040. Its totient is φ = 163058688.

The previous prime is 329028269. The next prime is 329028299. The reversal of 329028285 is 582820923.

It is not a de Polignac number, because 329028285 - 2⁴ = 329028269 is a prime.

It is a super-2 number, since 2×329028285² = 216519224660082450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11979 + ... + 28311.

It is an arithmetic number, because the mean of its divisors is an integer number (17640720).

Almost surely, 2^329028285 is an apocalyptic number.

It is an amenable number.

329028285 is a deficient number, since it is larger than the sum of its proper divisors (235474755).

329028285 is a wasteful number, since it uses less digits than its factorization.

329028285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16437.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 329028285 is about 18139.1368317238. The cubic root of 329028285 is about 690.3633771778.

The spelling of 329028285 in words is "three hundred twenty-nine million, twenty-eight thousand, two hundred eighty-five".