9862642 has 8 divisors (see below), whose sum is σ = 14838876. Its totient is φ = 4916352.

The previous prime is 9862637. The next prime is 9862649. The reversal of 9862642 is 2462689.

It can be written as a sum of positive squares in 2 ways, for example, as 7733961 + 2128681 = 2781^2 + 1459^2 .

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 (9862649) 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, 6643 + ... + 7990.

Almost surely, 2^9862642 is an apocalyptic number.

9862642 is a deficient number, since it is larger than the sum of its proper divisors (4976234).

9862642 is a wasteful number, since it uses less digits than its factorization.

9862642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14972.

The product of its digits is 41472, while the sum is 37.

The square root of 9862642 is about 3140.4843575474. The cubic root of 9862642 is about 214.4524882861.

The spelling of 9862642 in words is "nine million, eight hundred sixty-two thousand, six hundred forty-two".