283420 has 24 divisors (see below), whose sum is σ = 612864. Its totient is φ = 110016.

The previous prime is 283411. The next prime is 283447. The reversal of 283420 is 24382.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549 + ... + 931.

It is an arithmetic number, because the mean of its divisors is an integer number (25536).

2²⁸³⁴²⁰ is an apocalyptic number.

283420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 283420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306432).

283420 is an abundant number, since it is smaller than the sum of its proper divisors (329444).

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

283420 is a wasteful number, since it uses less digits than its factorization.

283420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 427 counting only the distinct ones).

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

The square root of 283420 is about 532.3720503558. The cubic root of 283420 is about 65.6866073013.

It can be divided in two parts, 283 and 420, that added together give a triangular number (703 = T₃₇).

The spelling of 283420 in words is "two hundred eighty-three thousand, four hundred twenty".