9976387 has 8 divisors (see below), whose sum is σ = 10746560. Its totient is φ = 9230760.

The previous prime is 9976381. The next prime is 9976409. The reversal of 9976387 is 7836799.

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 9976387 - 2⁷ = 9976259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9976387.

It is not an unprimeable number, because it can be changed into a prime (9976381) 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, 5289 + ... + 6922.

It is an arithmetic number, because the mean of its divisors is an integer number (1343320).

Almost surely, 2^9976387 is an apocalyptic number.

9976387 is a deficient number, since it is larger than the sum of its proper divisors (770173).

9976387 is a wasteful number, since it uses less digits than its factorization.

9976387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12273.

The product of its digits is 571536, while the sum is 49.

The square root of 9976387 is about 3158.5419104391. The cubic root of 9976387 is about 215.2737598004.

The spelling of 9976387 in words is "nine million, nine hundred seventy-six thousand, three hundred eighty-seven".