8947379 has 4 divisors (see below), whose sum is σ = 10225584. Its totient is φ = 7669176.

The previous prime is 8947369. The next prime is 8947417. The reversal of 8947379 is 9737498.

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

It is a cyclic number.

It is not a de Polignac number, because 8947379 - 2⁸ = 8947123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8947319) 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, 639092 + ... + 639105.

It is an arithmetic number, because the mean of its divisors is an integer number (2556396).

Almost surely, 2^8947379 is an apocalyptic number.

8947379 is a deficient number, since it is larger than the sum of its proper divisors (1278205).

8947379 is a wasteful number, since it uses less digits than its factorization.

8947379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278204.

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

The square root of 8947379 is about 2991.2169764161. The cubic root of 8947379 is about 207.6021967189.

The spelling of 8947379 in words is "eight million, nine hundred forty-seven thousand, three hundred seventy-nine".