283760 has 20 divisors (see below), whose sum is σ = 659928. Its totient is φ = 113472.

The previous prime is 283741. The next prime is 283763. The reversal of 283760 is 67382.

283760 = T₄₁ + T₄₂ + ... + T₁₂₀.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283763) by changing a digit.

283760 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 1694 + ... + 1853.

2²⁸³⁷⁶⁰ is an apocalyptic number.

283760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

283760 is an abundant number, since it is smaller than the sum of its proper divisors (376168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

283760 is a wasteful number, since it uses less digits than its factorization.

283760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3560 (or 3554 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 283760 is about 532.6912801990. The cubic root of 283760 is about 65.7128634133.

The spelling of 283760 in words is "two hundred eighty-three thousand, seven hundred sixty".