8739387 has 16 divisors (see below), whose sum is σ = 12994560. Its totient is φ = 5805000.

The previous prime is 8739359. The next prime is 8739389. The reversal of 8739387 is 7839378.

8739387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8739387 - 2¹⁰ = 8738363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8739389) 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, 11262 + ... + 12012.

It is an arithmetic number, because the mean of its divisors is an integer number (812160).

Almost surely, 2^8739387 is an apocalyptic number.

8739387 is a deficient number, since it is larger than the sum of its proper divisors (4255173).

8739387 is a wasteful number, since it uses less digits than its factorization.

8739387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191 (or 1185 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 8739387 is about 2956.2454228294. The cubic root of 8739387 is about 205.9809185204.

Subtracting from 8739387 its reverse (7839378), we obtain a palindrome (900009).

The spelling of 8739387 in words is "eight million, seven hundred thirty-nine thousand, three hundred eighty-seven".