6996818 has 4 divisors (see below), whose sum is σ = 10495230. Its totient is φ = 3498408.

The previous prime is 6996739. The next prime is 6996823. The reversal of 6996818 is 8186996.

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., 4231249 + 2765569 = 2057^2 + 1663^2 .

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, 1749203 + ... + 1749206.

Almost surely, 2^6996818 is an apocalyptic number.

6996818 is a deficient number, since it is larger than the sum of its proper divisors (3498412).

6996818 is a wasteful number, since it uses less digits than its factorization.

6996818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3498411.

The product of its digits is 186624, while the sum is 47.

The square root of 6996818 is about 2645.1499012343. The cubic root of 6996818 is about 191.2641284221.

The spelling of 6996818 in words is "six million, nine hundred ninety-six thousand, eight hundred eighteen".