283255987 has 8 divisors (see below), whose sum is σ = 328156256. Its totient is φ = 239464512.

The previous prime is 283255961. The next prime is 283256033. The reversal of 283255987 is 789552382.

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

It is a de Polignac number, because none of the positive numbers 2^k-283255987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 283255987.

It is not an unprimeable number, because it can be changed into a prime (283255937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276648 + ... + 277669.

It is an arithmetic number, because the mean of its divisors is an integer number (41019532).

Almost surely, 2^283255987 is an apocalyptic number.

283255987 is a deficient number, since it is larger than the sum of its proper divisors (44900269).

283255987 is an equidigital number, since it uses as much as digits as its factorization.

283255987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554397.

The product of its digits is 1209600, while the sum is 49.

The square root of 283255987 is about 16830.2105453259. The cubic root of 283255987 is about 656.7393407619.

The spelling of 283255987 in words is "two hundred eighty-three million, two hundred fifty-five thousand, nine hundred eighty-seven".