6634438 has 8 divisors (see below), whose sum is σ = 9990288. Its totient is φ = 3304344.

The previous prime is 6634429. The next prime is 6634447. The reversal of 6634438 is 8344366.

It is an interprime number because it is at equal distance from previous prime (6634429) and next prime (6634447).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 6⁶ + 6⁷ + 3 + 4⁷ + 4¹¹ + 3 + 8⁷ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5781 + ... + 6832.

It is an arithmetic number, because the mean of its divisors is an integer number (1248786).

Almost surely, 2^6634438 is an apocalyptic number.

6634438 is a deficient number, since it is larger than the sum of its proper divisors (3355850).

6634438 is a wasteful number, since it uses less digits than its factorization.

6634438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12878.

The product of its digits is 41472, while the sum is 34.

The square root of 6634438 is about 2575.7402819384. The cubic root of 6634438 is about 187.9034323735.

The spelling of 6634438 in words is "six million, six hundred thirty-four thousand, four hundred thirty-eight".