6698438 has 8 divisors (see below), whose sum is σ = 10061688. Its totient is φ = 3344544.

The previous prime is 6698429. The next prime is 6698441. The reversal of 6698438 is 8348966.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131 + ... + 3662.

It is an arithmetic number, because the mean of its divisors is an integer number (1257711).

Almost surely, 2^6698438 is an apocalyptic number.

6698438 is a deficient number, since it is larger than the sum of its proper divisors (3363250).

6698438 is a wasteful number, since it uses less digits than its factorization.

6698438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4678.

The product of its digits is 248832, while the sum is 44.

The square root of 6698438 is about 2588.1340768979. The cubic root of 6698438 is about 188.5057117741.

The spelling of 6698438 in words is "six million, six hundred ninety-eight thousand, four hundred thirty-eight".