7963947 has 16 divisors (see below), whose sum is σ = 11890080. Its totient is φ = 5268096.

The previous prime is 7963937. The next prime is 7963961. The reversal of 7963947 is 7493697.

7963947 is a `hidden beast` number, since 7 + 9 + 639 + 4 + 7 = 666.

It is not a de Polignac number, because 7963947 - 2¹⁰ = 7962923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7963937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2623 + ... + 4775.

It is an arithmetic number, because the mean of its divisors is an integer number (743130).

Almost surely, 2^7963947 is an apocalyptic number.

7963947 is a deficient number, since it is larger than the sum of its proper divisors (3926133).

7963947 is a wasteful number, since it uses less digits than its factorization.

7963947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299 (or 2293 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 7963947 is about 2822.0465977726. The cubic root of 7963947 is about 199.6991058740.

The spelling of 7963947 in words is "seven million, nine hundred sixty-three thousand, nine hundred forty-seven".