9389642 has 4 divisors (see below), whose sum is σ = 14084466. Its totient is φ = 4694820.

The previous prime is 9389641. The next prime is 9389647. The reversal of 9389642 is 2469839.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2469839 = 89 ⋅27751.

It can be written as a sum of positive squares in only one way, i.e., 8994001 + 395641 = 2999^2 + 629^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9389642.

It is not an unprimeable number, because it can be changed into a prime (9389641) 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 as a sum of consecutive naturals, namely, 2347409 + ... + 2347412.

Almost surely, 2^9389642 is an apocalyptic number.

9389642 is a deficient number, since it is larger than the sum of its proper divisors (4694824).

9389642 is a wasteful number, since it uses less digits than its factorization.

9389642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4694823.

The product of its digits is 93312, while the sum is 41.

The square root of 9389642 is about 3064.2522742098. The cubic root of 9389642 is about 210.9678829248.

The spelling of 9389642 in words is "nine million, three hundred eighty-nine thousand, six hundred forty-two".