Search a number
-
+
9479 is a prime number
BaseRepresentation
bin10010100000111
3111000002
42110013
5300404
6111515
736431
oct22407
914002
109479
117138
12559b
134412
143651
152c1e
hex2507

9479 has 2 divisors, whose sum is σ = 9480. Its totient is φ = 9478.

The previous prime is 9473. The next prime is 9491. The reversal of 9479 is 9749.

It is a weak prime.

It is an emirp because it is prime and its reverse (9749) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9479 - 24 = 9463 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4739 + 4740.

It is an arithmetic number, because the mean of its divisors is an integer number (4740).

29479 is an apocalyptic number.

9479 is a deficient number, since it is larger than the sum of its proper divisors (1).

9479 is an equidigital number, since it uses as much as digits as its factorization.

9479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 29.

The square root of 9479 is about 97.3601561215. The cubic root of 9479 is about 21.1635007424.

The spelling of 9479 in words is "nine thousand, four hundred seventy-nine".