283236881 has 16 divisors (see below), whose sum is σ = 323740800. Its totient is φ = 246183168.

The previous prime is 283236859. The next prime is 283236907. The reversal of 283236881 is 188632382.

It is a de Polignac number, because none of the positive numbers 2^k-283236881 is a prime.

It is a super-2 number, since 2×283236881² = 160446261517216322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (283236841) 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, 1151 + ... + 23828.

It is an arithmetic number, because the mean of its divisors is an integer number (20233800).

Almost surely, 2^283236881 is an apocalyptic number.

It is an amenable number.

283236881 is a deficient number, since it is larger than the sum of its proper divisors (40503919).

283236881 is a wasteful number, since it uses less digits than its factorization.

283236881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25048.

The product of its digits is 110592, while the sum is 41.

The square root of 283236881 is about 16829.6429255050. The cubic root of 283236881 is about 656.7245744438.

The spelling of 283236881 in words is "two hundred eighty-three million, two hundred thirty-six thousand, eight hundred eighty-one".