6384479 has 4 divisors (see below), whose sum is σ = 6540240. Its totient is φ = 6228720.

The previous prime is 6384467. The next prime is 6384487. The reversal of 6384479 is 9744836.

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

It is not a de Polignac number, because 6384479 - 2⁴ = 6384463 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 155719 = 6384479 / (6 + 3 + 8 + 4 + 4 + 7 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6384439) 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, 77819 + ... + 77900.

It is an arithmetic number, because the mean of its divisors is an integer number (1635060).

Almost surely, 2^6384479 is an apocalyptic number.

6384479 is a deficient number, since it is larger than the sum of its proper divisors (155761).

6384479 is a wasteful number, since it uses less digits than its factorization.

6384479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155760.

The product of its digits is 145152, while the sum is 41.

The square root of 6384479 is about 2526.7526590468. The cubic root of 6384479 is about 185.5133441431.

The spelling of 6384479 in words is "six million, three hundred eighty-four thousand, four hundred seventy-nine".