6449238 has 12 divisors (see below), whose sum is σ = 13973388. Its totient is φ = 2149740.

The previous prime is 6449237. The next prime is 6449243. The reversal of 6449238 is 8329446.

It is a happy number.

6449238 is a `hidden beast` number, since 644 + 9 + 2 + 3 + 8 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6449237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 179128 + ... + 179163.

It is an arithmetic number, because the mean of its divisors is an integer number (1164449).

Almost surely, 2^6449238 is an apocalyptic number.

6449238 is an abundant number, since it is smaller than the sum of its proper divisors (7524150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6449238 is a wasteful number, since it uses less digits than its factorization.

6449238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358299 (or 358296 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 6449238 is about 2539.5349968055. The cubic root of 6449238 is about 186.1384678250.

The spelling of 6449238 in words is "six million, four hundred forty-nine thousand, two hundred thirty-eight".