9863487 has 12 divisors (see below), whose sum is σ = 14707264. Its totient is φ = 6363360.

The previous prime is 9863479. The next prime is 9863501. The reversal of 9863487 is 7843689.

It is a happy number.

9863487 is a `hidden beast` number, since 9 + 8 + 634 + 8 + 7 = 666.

9863487 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9863487 - 2³ = 9863479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9861487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17398 + ... + 17955.

Almost surely, 2^9863487 is an apocalyptic number.

9863487 is a deficient number, since it is larger than the sum of its proper divisors (4843777).

9863487 is a wasteful number, since it uses less digits than its factorization.

9863487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35390 (or 35387 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 9863487 is about 3140.6188880538. The cubic root of 9863487 is about 214.4586126484.

The spelling of 9863487 in words is "nine million, eight hundred sixty-three thousand, four hundred eighty-seven".