9638667 has 12 divisors (see below), whose sum is σ = 14054040. Its totient is φ = 6365088.

The previous prime is 9638659. The next prime is 9638743. The reversal of 9638667 is 7668369.

9638667 is a `hidden beast` number, since 9 + 638 + 6 + 6 + 7 = 666.

It is not a de Polignac number, because 9638667 - 2³ = 9638659 is a prime.

9638667 is a modest number, since divided by 8667 gives 963 as remainder.

It is not an unprimeable number, because it can be changed into a prime (9638627) 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, 4042 + ... + 5967.

It is an arithmetic number, because the mean of its divisors is an integer number (1171170).

Almost surely, 2^9638667 is an apocalyptic number.

9638667 is a deficient number, since it is larger than the sum of its proper divisors (4415373).

9638667 is a wasteful number, since it uses less digits than its factorization.

9638667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10122 (or 10119 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 9638667 is about 3104.6202666349. The cubic root of 9638667 is about 212.8166775494.

It can be divided in two parts, 963 and 8667, that multiplied together give a square (8346321 = 2889²).

The spelling of 9638667 in words is "nine million, six hundred thirty-eight thousand, six hundred sixty-seven".