6404541 has 16 divisors (see below), whose sum is σ = 10032960. Its totient is φ = 3582720.

The previous prime is 6404527. The next prime is 6404551. The reversal of 6404541 is 1454046.

It is not a de Polignac number, because 6404541 - 2⁶ = 6404477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6404521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7036 + ... + 7893.

It is an arithmetic number, because the mean of its divisors is an integer number (627060).

Almost surely, 2^6404541 is an apocalyptic number.

It is an amenable number.

6404541 is a deficient number, since it is larger than the sum of its proper divisors (3628419).

6404541 is a wasteful number, since it uses less digits than its factorization.

6404541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14956.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 6404541 is about 2530.7194629196. The cubic root of 6404541 is about 185.7074543275.

Adding to 6404541 its reverse (1454046), we get a palindrome (7858587).

The spelling of 6404541 in words is "six million, four hundred four thousand, five hundred forty-one".