283402 has 16 divisors (see below), whose sum is σ = 502272. Its totient is φ = 117360.

The previous prime is 283397. The next prime is 283403. The reversal of 283402 is 204382.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 283402.

It is not an unprimeable number, because it can be changed into a prime (283403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108 + ... + 760.

It is an arithmetic number, because the mean of its divisors is an integer number (31392).

2²⁸³⁴⁰² is an apocalyptic number.

283402 is a deficient number, since it is larger than the sum of its proper divisors (218870).

283402 is a wasteful number, since it uses less digits than its factorization.

283402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 283402 is about 532.3551446168. The cubic root of 283402 is about 65.6852166867.

Adding to 283402 its reverse (204382), we get a palindrome (487784).

The spelling of 283402 in words is "two hundred eighty-three thousand, four hundred two".