282643479 has 32 divisors (see below), whose sum is σ = 445464000. Its totient is φ = 176504832.

The previous prime is 282643451. The next prime is 282643507. The reversal of 282643479 is 974346282.

It is an interprime number because it is at equal distance from previous prime (282643451) and next prime (282643507).

It is not a de Polignac number, because 282643479 - 2⁷ = 282643351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (282643409) 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 31 ways as a sum of consecutive naturals, for example, 103767 + ... + 106455.

It is an arithmetic number, because the mean of its divisors is an integer number (13920750).

Almost surely, 2^282643479 is an apocalyptic number.

282643479 is a deficient number, since it is larger than the sum of its proper divisors (162820521).

282643479 is a wasteful number, since it uses less digits than its factorization.

282643479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944 (or 2938 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 282643479 is about 16812.0040149888. The cubic root of 282643479 is about 656.2656250974.

The spelling of 282643479 in words is "two hundred eighty-two million, six hundred forty-three thousand, four hundred seventy-nine".