283472321 has 8 divisors (see below), whose sum is σ = 309373344. Its totient is φ = 257593120.

The previous prime is 283472261. The next prime is 283472323. The reversal of 283472321 is 123274382.

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

It is a cyclic number.

It is not a de Polignac number, because 283472321 - 2¹⁸ = 283210177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (283472323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34421 + ... + 41853.

It is an arithmetic number, because the mean of its divisors is an integer number (38671668).

Almost surely, 2^283472321 is an apocalyptic number.

It is an amenable number.

283472321 is a deficient number, since it is larger than the sum of its proper divisors (25901023).

283472321 is a wasteful number, since it uses less digits than its factorization.

283472321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10911.

The product of its digits is 16128, while the sum is 32.

The square root of 283472321 is about 16836.6362733178. The cubic root of 283472321 is about 656.9064909734.

The spelling of 283472321 in words is "two hundred eighty-three million, four hundred seventy-two thousand, three hundred twenty-one".