840483 has 16 divisors (see below), whose sum is σ = 1423360. Its totient is φ = 480168.

The previous prime is 840479. The next prime is 840491. The reversal of 840483 is 384048.

840483 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 840483 - 2² = 840479 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

840483 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (840473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2035 + ... + 2412.

It is an arithmetic number, because the mean of its divisors is an integer number (88960).

2⁸⁴⁰⁴⁸³ is an apocalyptic number.

840483 is a deficient number, since it is larger than the sum of its proper divisors (582877).

840483 is a wasteful number, since it uses less digits than its factorization.

840483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4463 (or 4457 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 840483 is about 916.7785992267. The cubic root of 840483 is about 94.3719606348.

Subtracting from 840483 its sum of digits (27), we obtain a triangular number (840456 = T₁₂₉₆).

The spelling of 840483 in words is "eight hundred forty thousand, four hundred eighty-three".