283438 has 4 divisors (see below), whose sum is σ = 425160. Its totient is φ = 141718.

The previous prime is 283411. The next prime is 283447. The reversal of 283438 is 834382.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 834382 = 2 ⋅417191.

It is a d-powerful number, because it can be written as 2¹⁴ + 8⁴ + 4 + 3⁴ + 3⁶ + 8⁶ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70858 + ... + 70861.

It is an arithmetic number, because the mean of its divisors is an integer number (106290).

2²⁸³⁴³⁸ is an apocalyptic number.

283438 is a deficient number, since it is larger than the sum of its proper divisors (141722).

283438 is a wasteful number, since it uses less digits than its factorization.

283438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141721.

The product of its digits is 4608, while the sum is 28.

The square root of 283438 is about 532.3889555579. The cubic root of 283438 is about 65.6879978570.

The spelling of 283438 in words is "two hundred eighty-three thousand, four hundred thirty-eight".