9638487 has 8 divisors (see below), whose sum is σ = 14279280. Its totient is φ = 6425640.

The previous prime is 9638483. The next prime is 9638557. The reversal of 9638487 is 7848369.

It is a happy number.

9638487 is a `hidden beast` number, since 9 + 638 + 4 + 8 + 7 = 666.

It is not a de Polignac number, because 9638487 - 2² = 9638483 is a prime.

9638487 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9638483) 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, 178464 + ... + 178517.

It is an arithmetic number, because the mean of its divisors is an integer number (1784910).

Almost surely, 2^9638487 is an apocalyptic number.

9638487 is a deficient number, since it is larger than the sum of its proper divisors (4640793).

9638487 is a wasteful number, since it uses less digits than its factorization.

9638487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356990 (or 356984 counting only the distinct ones).

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

The square root of 9638487 is about 3104.5912774470. The cubic root of 9638487 is about 212.8153527728.

It can be divided in two parts, 96 and 38487, that added together give a palindrome (38583).

The spelling of 9638487 in words is "nine million, six hundred thirty-eight thousand, four hundred eighty-seven".