6698434 has 4 divisors (see below), whose sum is σ = 10047654. Its totient is φ = 3349216.

The previous prime is 6698429. The next prime is 6698441. The reversal of 6698434 is 4348966.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4348966 = 2 ⋅2174483.

It can be written as a sum of positive squares in only one way, i.e., 6517809 + 180625 = 2553^2 + 425^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1674607 + ... + 1674610.

Almost surely, 2^6698434 is an apocalyptic number.

6698434 is a deficient number, since it is larger than the sum of its proper divisors (3349220).

6698434 is a wasteful number, since it uses less digits than its factorization.

6698434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3349219.

The product of its digits is 124416, while the sum is 40.

The square root of 6698434 is about 2588.1333041403. The cubic root of 6698434 is about 188.5056742517.

The spelling of 6698434 in words is "six million, six hundred ninety-eight thousand, four hundred thirty-four".