9409479 has 8 divisors (see below), whose sum is σ = 12564720. Its totient is φ = 6263616.

The previous prime is 9409457. The next prime is 9409489. The reversal of 9409479 is 9749049.

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

It is a de Polignac number, because none of the positive numbers 2^k-9409479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9409479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9409409) 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, 489 + ... + 4365.

It is an arithmetic number, because the mean of its divisors is an integer number (1570590).

Almost surely, 2^9409479 is an apocalyptic number.

9409479 is a deficient number, since it is larger than the sum of its proper divisors (3155241).

9409479 is a wasteful number, since it uses less digits than its factorization.

9409479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4689.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 9409479 is about 3067.4874082871. The cubic root of 9409479 is about 211.1163453201.

The spelling of 9409479 in words is "nine million, four hundred nine thousand, four hundred seventy-nine".