5821428 has 24 divisors (see below), whose sum is σ = 14022400. Its totient is φ = 1877760.

The previous prime is 5821423. The next prime is 5821441. The reversal of 5821428 is 8241285.

It is a junction number, because it is equal to n+sod(n) for n = 5821395 and 5821404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5821423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7453 + ... + 8196.

Almost surely, 2^5821428 is an apocalyptic number.

It is an amenable number.

5821428 is an abundant number, since it is smaller than the sum of its proper divisors (8200972).

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

5821428 is a wasteful number, since it uses less digits than its factorization.

5821428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15687 (or 15685 counting only the distinct ones).

The product of its digits is 5120, while the sum is 30.

The square root of 5821428 is about 2412.7635607328. The cubic root of 5821428 is about 179.8911687799.

The spelling of 5821428 in words is "five million, eight hundred twenty-one thousand, four hundred twenty-eight".