6339478 has 4 divisors (see below), whose sum is σ = 9509220. Its totient is φ = 3169738.

The previous prime is 6339451. The next prime is 6339493. The reversal of 6339478 is 8749336.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 6339478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1584868 + ... + 1584871.

It is an arithmetic number, because the mean of its divisors is an integer number (2377305).

Almost surely, 2^6339478 is an apocalyptic number.

6339478 is a deficient number, since it is larger than the sum of its proper divisors (3169742).

6339478 is a wasteful number, since it uses less digits than its factorization.

6339478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169741.

The product of its digits is 108864, while the sum is 40.

The square root of 6339478 is about 2517.8320039272. The cubic root of 6339478 is about 185.0764524528.

The spelling of 6339478 in words is "six million, three hundred thirty-nine thousand, four hundred seventy-eight".