9780790 has 8 divisors (see below), whose sum is σ = 17605440. Its totient is φ = 3912312.

The previous prime is 9780787. The next prime is 9780809. The reversal of 9780790 is 970879.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489030 + ... + 489049.

It is an arithmetic number, because the mean of its divisors is an integer number (2200680).

Almost surely, 2^9780790 is an apocalyptic number.

9780790 is a deficient number, since it is larger than the sum of its proper divisors (7824650).

9780790 is a wasteful number, since it uses less digits than its factorization.

9780790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978086.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 9780790 is about 3127.4254587440. The cubic root of 9780790 is about 213.8575783956.

The spelling of 9780790 in words is "nine million, seven hundred eighty thousand, seven hundred ninety".