6404011 has 8 divisors (see below), whose sum is σ = 6641024. Its totient is φ = 6168960.

The previous prime is 6404009. The next prime is 6404017. The reversal of 6404011 is 1104046.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6404011 - 2¹ = 6404009 is a prime.

It is a super-2 number, since 2×6404011² = 82022713776242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6404017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10141 + ... + 10753.

It is an arithmetic number, because the mean of its divisors is an integer number (830128).

Almost surely, 2^6404011 is an apocalyptic number.

6404011 is a deficient number, since it is larger than the sum of its proper divisors (237013).

6404011 is a wasteful number, since it uses less digits than its factorization.

6404011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 6404011 is about 2530.6147474477. The cubic root of 6404011 is about 185.7023315213.

Adding to 6404011 its reverse (1104046), we get a palindrome (7508057).

The spelling of 6404011 in words is "six million, four hundred four thousand, eleven".