8938947 has 4 divisors (see below), whose sum is σ = 11918600. Its totient is φ = 5959296.

The previous prime is 8938933. The next prime is 8938961. The reversal of 8938947 is 7498398.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (8938933) and next prime (8938961).

It is not a de Polignac number, because 8938947 - 2¹⁵ = 8906179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8938896 and 8938905.

It is not an unprimeable number, because it can be changed into a prime (8938997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1489822 + ... + 1489827.

It is an arithmetic number, because the mean of its divisors is an integer number (2979650).

Almost surely, 2^8938947 is an apocalyptic number.

8938947 is a deficient number, since it is larger than the sum of its proper divisors (2979653).

8938947 is a wasteful number, since it uses less digits than its factorization.

8938947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2979652.

The product of its digits is 435456, while the sum is 48.

The square root of 8938947 is about 2989.8071844184. The cubic root of 8938947 is about 207.5369615291.

The spelling of 8938947 in words is "eight million, nine hundred thirty-eight thousand, nine hundred forty-seven".