6467438 has 4 divisors (see below), whose sum is σ = 9701160. Its totient is φ = 3233718.

The previous prime is 6467423. The next prime is 6467441. The reversal of 6467438 is 8347646.

It is a happy number.

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

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, 1616858 + ... + 1616861.

It is an arithmetic number, because the mean of its divisors is an integer number (2425290).

Almost surely, 2^6467438 is an apocalyptic number.

6467438 is a deficient number, since it is larger than the sum of its proper divisors (3233722).

6467438 is a wasteful number, since it uses less digits than its factorization.

6467438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3233721.

The product of its digits is 96768, while the sum is 38.

The square root of 6467438 is about 2543.1158054638. The cubic root of 6467438 is about 186.3134000336.

The spelling of 6467438 in words is "six million, four hundred sixty-seven thousand, four hundred thirty-eight".