6991102 has 4 divisors (see below), whose sum is σ = 10486656. Its totient is φ = 3495550.

The previous prime is 6991099. The next prime is 6991111. The reversal of 6991102 is 2011996.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1747774 + ... + 1747777.

It is an arithmetic number, because the mean of its divisors is an integer number (2621664).

Almost surely, 2^6991102 is an apocalyptic number.

6991102 is a deficient number, since it is larger than the sum of its proper divisors (3495554).

6991102 is a wasteful number, since it uses less digits than its factorization.

6991102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3495553.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 6991102 is about 2644.0692124073. The cubic root of 6991102 is about 191.2120302824.

The spelling of 6991102 in words is "six million, nine hundred ninety-one thousand, one hundred two".