8045947 has 24 divisors (see below), whose sum is σ = 10686816. Its totient is φ = 5983488.

The previous prime is 8045927. The next prime is 8045951. The reversal of 8045947 is 7495408.

It is not a de Polignac number, because 8045947 - 2⁷ = 8045819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8045927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10458 + ... + 11200.

It is an arithmetic number, because the mean of its divisors is an integer number (445284).

Almost surely, 2^8045947 is an apocalyptic number.

8045947 is a deficient number, since it is larger than the sum of its proper divisors (2640869).

8045947 is a wasteful number, since it uses less digits than its factorization.

8045947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787 (or 780 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 8045947 is about 2836.5378544980. The cubic root of 8045947 is about 200.3821609665.

The spelling of 8045947 in words is "eight million, forty-five thousand, nine hundred forty-seven".