6404041 has 8 divisors (see below), whose sum is σ = 7571520. Its totient is φ = 5299728.

The previous prime is 6404023. The next prime is 6404059. The reversal of 6404041 is 1404046.

It is an interprime number because it is at equal distance from previous prime (6404023) and next prime (6404059).

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

It is not a de Polignac number, because 6404041 - 2⁵ = 6404009 is a prime.

It is a super-2 number, since 2×6404041² = 82023482259362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6404141) 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, 15571 + ... + 15976.

It is an arithmetic number, because the mean of its divisors is an integer number (946440).

Almost surely, 2^6404041 is an apocalyptic number.

It is an amenable number.

6404041 is a deficient number, since it is larger than the sum of its proper divisors (1167479).

6404041 is a wasteful number, since it uses less digits than its factorization.

6404041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31583.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 6404041 is about 2530.6206748543. The cubic root of 6404041 is about 185.7026214990.

Adding to 6404041 its reverse (1404046), we get a palindrome (7808087).

The spelling of 6404041 in words is "six million, four hundred four thousand, forty-one".