283642 has 8 divisors (see below), whose sum is σ = 437076. Its totient is φ = 137952.

The previous prime is 283639. The next prime is 283669. The reversal of 283642 is 246382.

It is a happy number.

283642 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 281961 + 1681 = 531^2 + 41^2 .

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

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1843 + ... + 1990.

2²⁸³⁶⁴² is an apocalyptic number.

283642 is a deficient number, since it is larger than the sum of its proper divisors (153434).

283642 is a wasteful number, since it uses less digits than its factorization.

283642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3872.

The product of its digits is 2304, while the sum is 25.

The square root of 283642 is about 532.5805103456. The cubic root of 283642 is about 65.7037533755.

The spelling of 283642 in words is "two hundred eighty-three thousand, six hundred forty-two".