9538642 has 8 divisors (see below), whose sum is σ = 14449932. Its totient is φ = 4722000.

The previous prime is 9538621. The next prime is 9538643. The reversal of 9538642 is 2468359.

It can be written as a sum of positive squares in 2 ways, for example, as 9369721 + 168921 = 3061^2 + 411^2 .

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

It is not an unprimeable number, because it can be changed into a prime (9538643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23409 + ... + 23812.

Almost surely, 2^9538642 is an apocalyptic number.

9538642 is a deficient number, since it is larger than the sum of its proper divisors (4911290).

9538642 is a wasteful number, since it uses less digits than its factorization.

9538642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47324.

The product of its digits is 51840, while the sum is 37.

The square root of 9538642 is about 3088.4692001055. The cubic root of 9538642 is about 212.0779498567.

The spelling of 9538642 in words is "nine million, five hundred thirty-eight thousand, six hundred forty-two".