9780006 has 16 divisors (see below), whose sum is σ = 20015424. Its totient is φ = 3184104.

The previous prime is 9779993. The next prime is 9780011. The reversal of 9780006 is 6000879.

It is a happy number.

9780006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18696 + ... + 19211.

It is an arithmetic number, because the mean of its divisors is an integer number (1250964).

Almost surely, 2^9780006 is an apocalyptic number.

9780006 is an abundant number, since it is smaller than the sum of its proper divisors (10235418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9780006 is a wasteful number, since it uses less digits than its factorization.

9780006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37955.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 9780006 is about 3127.3001135164. The cubic root of 9780006 is about 213.8518641734.

The spelling of 9780006 in words is "nine million, seven hundred eighty thousand, six".