6409401 has 8 divisors (see below), whose sum is σ = 8567424. Its totient is φ = 4262160.

The previous prime is 6409397. The next prime is 6409409. The reversal of 6409401 is 1049046.

6409401 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6409401 - 2² = 6409397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6409409) 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, 1186 + ... + 3771.

It is an arithmetic number, because the mean of its divisors is an integer number (1070928).

Almost surely, 2^6409401 is an apocalyptic number.

It is an amenable number.

6409401 is a deficient number, since it is larger than the sum of its proper divisors (2158023).

6409401 is a wasteful number, since it uses less digits than its factorization.

6409401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5391.

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

The square root of 6409401 is about 2531.6794820830. The cubic root of 6409401 is about 185.7544163206.

The spelling of 6409401 in words is "six million, four hundred nine thousand, four hundred one".