9978093 has 16 divisors (see below), whose sum is σ = 14932800. Its totient is φ = 6584400.

The previous prime is 9978079. The next prime is 9978103. The reversal of 9978093 is 3908799.

It is a happy number.

It is not a de Polignac number, because 9978093 - 2⁹ = 9977581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9974093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 898 + ... + 4556.

It is an arithmetic number, because the mean of its divisors is an integer number (933300).

Almost surely, 2^9978093 is an apocalyptic number.

It is an amenable number.

9978093 is a deficient number, since it is larger than the sum of its proper divisors (4954707).

9978093 is a wasteful number, since it uses less digits than its factorization.

9978093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3769 (or 3763 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 9978093 is about 3158.8119602154. The cubic root of 9978093 is about 215.2860299774.

The spelling of 9978093 in words is "nine million, nine hundred seventy-eight thousand, ninety-three".