282983881 has 16 divisors (see below), whose sum is σ = 305031168. Its totient is φ = 261835200.

The previous prime is 282983873. The next prime is 282983893. The reversal of 282983881 is 188389282.

It is a cyclic number.

It is not a de Polignac number, because 282983881 - 2³ = 282983873 is a prime.

It is a super-2 number, since 2×282983881² = 160159753811644322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (282983821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161671 + ... + 163411.

It is an arithmetic number, because the mean of its divisors is an integer number (19064448).

Almost surely, 2^282983881 is an apocalyptic number.

It is an amenable number.

282983881 is a deficient number, since it is larger than the sum of its proper divisors (22047287).

282983881 is a wasteful number, since it uses less digits than its factorization.

282983881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992.

The product of its digits is 442368, while the sum is 49.

The square root of 282983881 is about 16822.1247468921. The cubic root of 282983881 is about 656.5289774903.

The spelling of 282983881 in words is "two hundred eighty-two million, nine hundred eighty-three thousand, eight hundred eighty-one".