6991492 has 12 divisors (see below), whose sum is σ = 12630016. Its totient is φ = 3382920.

The previous prime is 6991463. The next prime is 6991493. The reversal of 6991492 is 2941996.

It is not an unprimeable number, because it can be changed into a prime (6991493) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 28068 + ... + 28315.

Almost surely, 2^6991492 is an apocalyptic number.

6991492 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

6991492 is a deficient number, since it is larger than the sum of its proper divisors (5638524).

6991492 is a wasteful number, since it uses less digits than its factorization.

6991492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56418 (or 56416 counting only the distinct ones).

The product of its digits is 34992, while the sum is 40.

The square root of 6991492 is about 2644.1429613393. The cubic root of 6991492 is about 191.2155858165.

The spelling of 6991492 in words is "six million, nine hundred ninety-one thousand, four hundred ninety-two".