6002421 has 4 divisors (see below), whose sum is σ = 8003232. Its totient is φ = 4001612.

The previous prime is 6002389. The next prime is 6002429. The reversal of 6002421 is 1242006.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6002421 - 2⁵ = 6002389 is a prime.

It is a super-2 number, since 2×6002421² = 72058115722482, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 6002421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6002429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000401 + ... + 1000406.

It is an arithmetic number, because the mean of its divisors is an integer number (2000808).

Almost surely, 2^6002421 is an apocalyptic number.

It is an amenable number.

6002421 is a deficient number, since it is larger than the sum of its proper divisors (2000811).

6002421 is a wasteful number, since it uses less digits than its factorization.

6002421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000810.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 6002421 is about 2449.9838774980. The cubic root of 6002421 is about 181.7364962687.

Adding to 6002421 its reverse (1242006), we get a palindrome (7244427).

The spelling of 6002421 in words is "six million, two thousand, four hundred twenty-one".