9976399 has 8 divisors (see below), whose sum is σ = 10709280. Its totient is φ = 9259776.

The previous prime is 9976381. The next prime is 9976409. The reversal of 9976399 is 9936799.

9976399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 9976399 - 2¹¹ = 9974351 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9974399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2779 + ... + 5260.

It is an arithmetic number, because the mean of its divisors is an integer number (1338660).

Almost surely, 2^9976399 is an apocalyptic number.

9976399 is a deficient number, since it is larger than the sum of its proper divisors (732881).

9976399 is a wasteful number, since it uses less digits than its factorization.

9976399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8129.

The product of its digits is 826686, while the sum is 52.

The square root of 9976399 is about 3158.5438100492. The cubic root of 9976399 is about 215.2738461137.

It can be divided in two parts, 997 and 6399, that added together give a square (7396 = 86²).

The spelling of 9976399 in words is "nine million, nine hundred seventy-six thousand, three hundred ninety-nine".