9278285 has 8 divisors (see below), whose sum is σ = 11154456. Its totient is φ = 7408960.

The previous prime is 9278279. The next prime is 9278309. The reversal of 9278285 is 5828729.

It is a happy number.

9278285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2709316 + 6568969 = 1646^2 + 2563^2 .

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

It is not a de Polignac number, because 9278285 - 2⁶ = 9278221 is a prime.

It is a d-powerful number, because it can be written as 9² + 2¹⁵ + 7⁷ + 8³ + 2²³ + 8⁵ + 5 .

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2015 + ... + 4755.

It is an arithmetic number, because the mean of its divisors is an integer number (1394307).

Almost surely, 2^9278285 is an apocalyptic number.

It is an amenable number.

9278285 is a deficient number, since it is larger than the sum of its proper divisors (1876171).

9278285 is a wasteful number, since it uses less digits than its factorization.

9278285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3423.

The product of its digits is 80640, while the sum is 41.

The square root of 9278285 is about 3046.0277411737. The cubic root of 9278285 is about 210.1305688390.

The spelling of 9278285 in words is "nine million, two hundred seventy-eight thousand, two hundred eighty-five".