7944147 has 12 divisors (see below), whose sum is σ = 12079080. Its totient is φ = 5017248.

The previous prime is 7944143. The next prime is 7944149. The reversal of 7944147 is 7414497.

It is not a de Polignac number, because 7944147 - 2² = 7944143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7944143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23058 + ... + 23399.

It is an arithmetic number, because the mean of its divisors is an integer number (1006590).

Almost surely, 2^7944147 is an apocalyptic number.

7944147 is a deficient number, since it is larger than the sum of its proper divisors (4134933).

7944147 is a wasteful number, since it uses less digits than its factorization.

7944147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46482 (or 46479 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 7944147 is about 2818.5363222779. The cubic root of 7944147 is about 199.5334709326.

The spelling of 7944147 in words is "seven million, nine hundred forty-four thousand, one hundred forty-seven".