9443642 has 8 divisors (see below), whose sum is σ = 15255156. Its totient is φ = 4358592.

The previous prime is 9443633. The next prime is 9443669. The reversal of 9443642 is 2463449.

It can be written as a sum of positive squares in 2 ways, for example, as 7458361 + 1985281 = 2731^2 + 1409^2 .

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

It is a d-powerful number, because it can be written as 9² + 4⁴ + 4⁶ + 3⁶ + 6⁴ + 4¹⁰ + 2²³ .

It is a junction number, because it is equal to n+sod(n) for n = 9443599 and 9443608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181583 + ... + 181634.

Almost surely, 2^9443642 is an apocalyptic number.

9443642 is a deficient number, since it is larger than the sum of its proper divisors (5811514).

9443642 is a wasteful number, since it uses less digits than its factorization.

9443642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363232.

The product of its digits is 20736, while the sum is 32.

The square root of 9443642 is about 3073.0509270105. The cubic root of 9443642 is about 211.3715368002.

The spelling of 9443642 in words is "nine million, four hundred forty-three thousand, six hundred forty-two".