6040821 has 8 divisors (see below), whose sum is σ = 8069920. Its totient is φ = 4019472.

The previous prime is 6040819. The next prime is 6040829. The reversal of 6040821 is 1280406.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6040821 - 2¹ = 6040819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6040829) 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, 231 + ... + 3483.

It is an arithmetic number, because the mean of its divisors is an integer number (1008740).

Almost surely, 2^6040821 is an apocalyptic number.

It is an amenable number.

6040821 is a deficient number, since it is larger than the sum of its proper divisors (2029099).

6040821 is a wasteful number, since it uses less digits than its factorization.

6040821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3875.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 6040821 is about 2457.8081698945. The cubic root of 6040821 is about 182.1232209073.

The spelling of 6040821 in words is "six million, forty thousand, eight hundred twenty-one".