6947144 has 16 divisors (see below), whose sum is σ = 13153920. Its totient is φ = 3439440.

The previous prime is 6947111. The next prime is 6947147. The reversal of 6947144 is 4417496.

6947144 = 207² + 208² + ... + 309².

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6947147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3392 + ... + 5039.

It is an arithmetic number, because the mean of its divisors is an integer number (822120).

Almost surely, 2^6947144 is an apocalyptic number.

It is an amenable number.

6947144 is a deficient number, since it is larger than the sum of its proper divisors (6206776).

6947144 is a wasteful number, since it uses less digits than its factorization.

6947144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8540 (or 8536 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 6947144 is about 2635.7435383588. The cubic root of 6947144 is about 190.8104256470.

The spelling of 6947144 in words is "six million, nine hundred forty-seven thousand, one hundred forty-four".