6691948 has 12 divisors (see below), whose sum is σ = 12399912. Its totient is φ = 3149120.

The previous prime is 6691943. The next prime is 6691969. The reversal of 6691948 is 8491966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6691943) 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, 49138 + ... + 49273.

It is an arithmetic number, because the mean of its divisors is an integer number (1033326).

Almost surely, 2^6691948 is an apocalyptic number.

6691948 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

6691948 is a deficient number, since it is larger than the sum of its proper divisors (5707964).

6691948 is a wasteful number, since it uses less digits than its factorization.

6691948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98432 (or 98430 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 6691948 is about 2586.8799740228. The cubic root of 6691948 is about 188.4448121338. Note that the first 3 decimals are identical.

The spelling of 6691948 in words is "six million, six hundred ninety-one thousand, nine hundred forty-eight".