9790642 has 8 divisors (see below), whose sum is σ = 14723100. Its totient is φ = 4882944.

The previous prime is 9790639. The next prime is 9790667. The reversal of 9790642 is 2460979.

It is a Cunningham number, because it is equal to 3129²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 9790641 + 1 = 3129^2 + 1^2 .

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

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 5167 + ... + 6802.

Almost surely, 2^9790642 is an apocalyptic number.

9790642 is a deficient number, since it is larger than the sum of its proper divisors (4932458).

9790642 is a wasteful number, since it uses less digits than its factorization.

9790642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12380.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 9790642 is about 3129.0001597955. Note that the first 3 decimals coincide. The cubic root of 9790642 is about 213.9293591630.

The spelling of 9790642 in words is "nine million, seven hundred ninety thousand, six hundred forty-two".