5683821 has 16 divisors (see below), whose sum is σ = 8904000. Its totient is φ = 3179520.

The previous prime is 5683817. The next prime is 5683823. The reversal of 5683821 is 1283865.

It is a happy number.

It is not a de Polignac number, because 5683821 - 2² = 5683817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5683823) 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, 6196 + ... + 7053.

It is an arithmetic number, because the mean of its divisors is an integer number (556500).

Almost surely, 2^5683821 is an apocalyptic number.

It is an amenable number.

5683821 is a deficient number, since it is larger than the sum of its proper divisors (3220179).

5683821 is a wasteful number, since it uses less digits than its factorization.

5683821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13276.

The product of its digits is 11520, while the sum is 33.

The square root of 5683821 is about 2384.0765507844. The cubic root of 5683821 is about 178.4624280469.

The spelling of 5683821 in words is "five million, six hundred eighty-three thousand, eight hundred twenty-one".