283457 has 8 divisors (see below), whose sum is σ = 299136. Its totient is φ = 268272.

The previous prime is 283447. The next prime is 283463. The reversal of 283457 is 754382.

It is a happy number.

283457 is nontrivially palindromic in base 8.

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

It is a cyclic number.

It is not a de Polignac number, because 283457 - 2¹⁸ = 21313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (283447) 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, 1658 + ... + 1820.

It is an arithmetic number, because the mean of its divisors is an integer number (37392).

2²⁸³⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

283457 is a deficient number, since it is larger than the sum of its proper divisors (15679).

283457 is a wasteful number, since it uses less digits than its factorization.

283457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247.

The product of its digits is 6720, while the sum is 29.

The square root of 283457 is about 532.4067993555. The cubic root of 283457 is about 65.6894656019.

The spelling of 283457 in words is "two hundred eighty-three thousand, four hundred fifty-seven".