9487287 has 10 divisors (see below), whose sum is σ = 14172488. Its totient is φ = 6324804.

The previous prime is 9487273. The next prime is 9487297. The reversal of 9487287 is 7827849.

9487287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9487287 - 2⁶ = 9487223 is a prime.

It is a super-2 number, since 2×9487287² = 180017229240738, which contains 22 as substring.

It is a d-powerful number, because it can be written as 9 + 4¹⁰ + 8³ + 7 + 2²³ + 8⁵ + 7⁵ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9487217) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 58483 + ... + 58644.

Almost surely, 2^9487287 is an apocalyptic number.

9487287 is a deficient number, since it is larger than the sum of its proper divisors (4685201).

9487287 is a wasteful number, since it uses less digits than its factorization.

9487287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117139 (or 117130 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 9487287 is about 3080.1439901407. The cubic root of 9487287 is about 211.6966633110.

The spelling of 9487287 in words is "nine million, four hundred eighty-seven thousand, two hundred eighty-seven".