9879387 has 8 divisors (see below), whose sum is σ = 15054336. Its totient is φ = 5645352.

The previous prime is 9879371. The next prime is 9879391. The reversal of 9879387 is 7839789.

It is a happy number.

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

It is not a de Polignac number, because 9879387 - 2⁴ = 9879371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9879587) 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, 235203 + ... + 235244.

It is an arithmetic number, because the mean of its divisors is an integer number (1881792).

Almost surely, 2^9879387 is an apocalyptic number.

9879387 is a deficient number, since it is larger than the sum of its proper divisors (5174949).

9879387 is a wasteful number, since it uses less digits than its factorization.

9879387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470457.

The product of its digits is 762048, while the sum is 51.

The square root of 9879387 is about 3143.1492169479. The cubic root of 9879387 is about 214.5737869718.

The spelling of 9879387 in words is "nine million, eight hundred seventy-nine thousand, three hundred eighty-seven".