6404901 has 8 divisors (see below), whose sum is σ = 8578080. Its totient is φ = 4250832.

The previous prime is 6404873. The next prime is 6404917. The reversal of 6404901 is 1094046.

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

It is not a de Polignac number, because 6404901 - 2⁶ = 6404837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6404921) 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, 3975 + ... + 5348.

It is an arithmetic number, because the mean of its divisors is an integer number (1072260).

Almost surely, 2^6404901 is an apocalyptic number.

It is an amenable number.

6404901 is a deficient number, since it is larger than the sum of its proper divisors (2173179).

6404901 is a wasteful number, since it uses less digits than its factorization.

6404901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9555.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 6404901 is about 2530.7905879389. The cubic root of 6404901 is about 185.7109338082.

Adding to 6404901 its reverse (1094046), we get a palindrome (7498947).

The spelling of 6404901 in words is "six million, four hundred four thousand, nine hundred one".