6409371 has 4 divisors (see below), whose sum is σ = 8545832. Its totient is φ = 4272912.

The previous prime is 6409369. The next prime is 6409373. The reversal of 6409371 is 1739046.

It is a happy number.

6409371 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6409369) and next prime (6409373).

It is not a de Polignac number, because 6409371 - 2¹ = 6409369 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6409373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1068226 + ... + 1068231.

It is an arithmetic number, because the mean of its divisors is an integer number (2136458).

Almost surely, 2^6409371 is an apocalyptic number.

6409371 is a deficient number, since it is larger than the sum of its proper divisors (2136461).

6409371 is a wasteful number, since it uses less digits than its factorization.

6409371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136460.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 6409371 is about 2531.6735571554. The cubic root of 6409371 is about 185.7541265046.

It can be divided in two parts, 640 and 9371, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 6409371 in words is "six million, four hundred nine thousand, three hundred seventy-one".