283215 has 16 divisors (see below), whose sum is σ = 460800. Its totient is φ = 148512.

The previous prime is 283211. The next prime is 283267. The reversal of 283215 is 512382.

It is not a de Polignac number, because 283215 - 2² = 283211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 283191 and 283200.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 283215.

It is not an unprimeable number, because it can be changed into a prime (283211) 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, 1066 + ... + 1304.

It is an arithmetic number, because the mean of its divisors is an integer number (28800).

283215 is a Friedman number, since it can be written as 5*(238^2-1), using all its digits and the basic arithmetic operations.

2²⁸³²¹⁵ is an apocalyptic number.

283215 is a deficient number, since it is larger than the sum of its proper divisors (177585).

283215 is a wasteful number, since it uses less digits than its factorization.

283215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326.

The product of its digits is 480, while the sum is 21.

The square root of 283215 is about 532.1794810024. The cubic root of 283215 is about 65.6707662616.

Adding to 283215 its reverse (512382), we get a palindrome (795597).

The spelling of 283215 in words is "two hundred eighty-three thousand, two hundred fifteen".