9778941 has 16 divisors (see below), whose sum is σ = 14541120. Its totient is φ = 6495120.

The previous prime is 9778913. The next prime is 9778943. The reversal of 9778941 is 1498779.

It is not a de Polignac number, because 9778941 - 2¹⁵ = 9746173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9778943) 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, 9586 + ... + 10556.

It is an arithmetic number, because the mean of its divisors is an integer number (908820).

Almost surely, 2^9778941 is an apocalyptic number.

It is an amenable number.

9778941 is a deficient number, since it is larger than the sum of its proper divisors (4762179).

9778941 is a wasteful number, since it uses less digits than its factorization.

9778941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353 (or 1347 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 9778941 is about 3127.1298342090. The cubic root of 9778941 is about 213.8441013799.

The spelling of 9778941 in words is "nine million, seven hundred seventy-eight thousand, nine hundred forty-one".