9689642 has 8 divisors (see below), whose sum is σ = 14608836. Its totient is φ = 4820032.

The previous prime is 9689633. The next prime is 9689651. The reversal of 9689642 is 2469869.

9689642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9689633) and next prime (9689651).

It can be written as a sum of positive squares in 2 ways, for example, as 9616201 + 73441 = 3101^2 + 271^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 9689593 and 9689602.

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, 11903 + ... + 12690.

Almost surely, 2^9689642 is an apocalyptic number.

9689642 is a deficient number, since it is larger than the sum of its proper divisors (4919194).

9689642 is a wasteful number, since it uses less digits than its factorization.

9689642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24792.

The product of its digits is 186624, while the sum is 44.

The square root of 9689642 is about 3112.8189796389. The cubic root of 9689642 is about 213.1911851443.

The spelling of 9689642 in words is "nine million, six hundred eighty-nine thousand, six hundred forty-two".