9478887 has 8 divisors (see below), whose sum is σ = 13787520. Its totient is φ = 5744760.

The previous prime is 9478883. The next prime is 9478897. The reversal of 9478887 is 7888749.

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

It is not a de Polignac number, because 9478887 - 2² = 9478883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9478883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143587 + ... + 143652.

It is an arithmetic number, because the mean of its divisors is an integer number (1723440).

Almost surely, 2^9478887 is an apocalyptic number.

9478887 is a deficient number, since it is larger than the sum of its proper divisors (4308633).

9478887 is a wasteful number, since it uses less digits than its factorization.

9478887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287253.

The product of its digits is 903168, while the sum is 51.

The square root of 9478887 is about 3078.7801155653. The cubic root of 9478887 is about 211.6341664473.

The spelling of 9478887 in words is "nine million, four hundred seventy-eight thousand, eight hundred eighty-seven".