6424138 has 16 divisors (see below), whose sum is σ = 11393280. Its totient is φ = 2658096.

The previous prime is 6424129. The next prime is 6424141. The reversal of 6424138 is 8314246.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7506 + ... + 8317.

It is an arithmetic number, because the mean of its divisors is an integer number (712080).

Almost surely, 2^6424138 is an apocalyptic number.

6424138 is a deficient number, since it is larger than the sum of its proper divisors (4969142).

6424138 is a wasteful number, since it uses less digits than its factorization.

6424138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15861.

The product of its digits is 4608, while the sum is 28.

The square root of 6424138 is about 2534.5883294926. The cubic root of 6424138 is about 185.8966744113.

The spelling of 6424138 in words is "six million, four hundred twenty-four thousand, one hundred thirty-eight".