6698698 has 4 divisors (see below), whose sum is σ = 10048050. Its totient is φ = 3349348.

The previous prime is 6698689. The next prime is 6698729. The reversal of 6698698 is 8968966.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8968966 = 2 ⋅4484483.

It can be written as a sum of positive squares in only one way, i.e., 4397409 + 2301289 = 2097^2 + 1517^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1674673 + ... + 1674676.

Almost surely, 2^6698698 is an apocalyptic number.

6698698 is a deficient number, since it is larger than the sum of its proper divisors (3349352).

6698698 is a wasteful number, since it uses less digits than its factorization.

6698698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3349351.

The product of its digits is 1119744, while the sum is 52.

The square root of 6698698 is about 2588.1843056475. The cubic root of 6698698 is about 188.5081506934.

It can be divided in two parts, 6698 and 698, that added together give a square (7396 = 86²).

The spelling of 6698698 in words is "six million, six hundred ninety-eight thousand, six hundred ninety-eight".