6991334 has 16 divisors (see below), whose sum is σ = 12019968. Its totient is φ = 2987592.

The previous prime is 6991319. The next prime is 6991363. The reversal of 6991334 is 4331996.

It is a junction number, because it is equal to n+sod(n) for n = 6991294 and 6991303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7439 + ... + 8325.

It is an arithmetic number, because the mean of its divisors is an integer number (751248).

Almost surely, 2^6991334 is an apocalyptic number.

6991334 is a deficient number, since it is larger than the sum of its proper divisors (5028634).

6991334 is a wasteful number, since it uses less digits than its factorization.

6991334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459.

The product of its digits is 17496, while the sum is 35.

The square root of 6991334 is about 2644.1130838147. The cubic root of 6991334 is about 191.2141453853.

The spelling of 6991334 in words is "six million, nine hundred ninety-one thousand, three hundred thirty-four".