6340401 has 12 divisors (see below), whose sum is σ = 9309300. Its totient is φ = 4157280.

The previous prime is 6340391. The next prime is 6340403. The reversal of 6340401 is 1040436.

It can be written as a sum of positive squares in 2 ways, for example, as 3154176 + 3186225 = 1776^2 + 1785^2 .

It is not a de Polignac number, because 6340401 - 2⁷ = 6340273 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6340403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5226 + ... + 6323.

It is an arithmetic number, because the mean of its divisors is an integer number (775775).

Almost surely, 2^6340401 is an apocalyptic number.

6340401 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6340401 is a deficient number, since it is larger than the sum of its proper divisors (2968899).

6340401 is a wasteful number, since it uses less digits than its factorization.

6340401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11616 (or 11613 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 6340401 is about 2518.0152898662. The cubic root of 6340401 is about 185.0854341216.

Adding to 6340401 its reverse (1040436), we get a palindrome (7380837).

The spelling of 6340401 in words is "six million, three hundred forty thousand, four hundred one".