9978411 has 16 divisors (see below), whose sum is σ = 13685760. Its totient is φ = 6464640.

The previous prime is 9978383. The next prime is 9978427. The reversal of 9978411 is 1148799.

It is a happy number.

It is not a de Polignac number, because 9978411 - 2⁶ = 9978347 is a prime.

9978411 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9978411.

It is not an unprimeable number, because it can be changed into a prime (9978431) 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, 16531 + ... + 17123.

It is an arithmetic number, because the mean of its divisors is an integer number (855360).

Almost surely, 2^9978411 is an apocalyptic number.

9978411 is a deficient number, since it is larger than the sum of its proper divisors (3707349).

9978411 is a wasteful number, since it uses less digits than its factorization.

9978411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746.

The product of its digits is 18144, while the sum is 39.

The square root of 9978411 is about 3158.8622951943. The cubic root of 9978411 is about 215.2883169953.

The spelling of 9978411 in words is "nine million, nine hundred seventy-eight thousand, four hundred eleven".