283991272 has 16 divisors (see below), whose sum is σ = 534715200. Its totient is φ = 141400560.

The previous prime is 283991263. The next prime is 283991299. The reversal of 283991272 is 272199382.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72354 + ... + 76177.

It is an arithmetic number, because the mean of its divisors is an integer number (33419700).

Almost surely, 2^283991272 is an apocalyptic number.

It is an amenable number.

283991272 is a deficient number, since it is larger than the sum of its proper divisors (250723928).

283991272 is a wasteful number, since it uses less digits than its factorization.

283991272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148776 (or 148772 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 283991272 is about 16852.0405886053. The cubic root of 283991272 is about 657.3071114658.

The spelling of 283991272 in words is "two hundred eighty-three million, nine hundred ninety-one thousand, two hundred seventy-two".