8973947 has 8 divisors (see below), whose sum is σ = 9523200. Its totient is φ = 8432424.

The previous prime is 8973931. The next prime is 8973961. The reversal of 8973947 is 7493798.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8973947 - 2⁴ = 8973931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8973967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554 + ... + 4272.

It is an arithmetic number, because the mean of its divisors is an integer number (1190400).

Almost surely, 2^8973947 is an apocalyptic number.

8973947 is a deficient number, since it is larger than the sum of its proper divisors (549253).

8973947 is a wasteful number, since it uses less digits than its factorization.

8973947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3865.

The product of its digits is 381024, while the sum is 47.

The square root of 8973947 is about 2995.6546863749. The cubic root of 8973947 is about 207.8074756394.

The spelling of 8973947 in words is "eight million, nine hundred seventy-three thousand, nine hundred forty-seven".