6993898 has 4 divisors (see below), whose sum is σ = 10490850. Its totient is φ = 3496948.

The previous prime is 6993893. The next prime is 6993913. The reversal of 6993898 is 8983996.

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

It can be written as a sum of positive squares in only one way, i.e., 3523129 + 3470769 = 1877^2 + 1863^2 .

It is not an unprimeable number, because it can be changed into a prime (6993893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1748473 + ... + 1748476.

Almost surely, 2^6993898 is an apocalyptic number.

6993898 is a deficient number, since it is larger than the sum of its proper divisors (3496952).

6993898 is a wasteful number, since it uses less digits than its factorization.

6993898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3496951.

The product of its digits is 839808, while the sum is 52.

The square root of 6993898 is about 2644.5978900392. The cubic root of 6993898 is about 191.2375178035.

It can be divided in two parts, 69938 and 98, that multiplied together give a square (6853924 = 2618²).

The spelling of 6993898 in words is "six million, nine hundred ninety-three thousand, eight hundred ninety-eight".