8739245 has 8 divisors (see below), whose sum is σ = 10552416. Its totient is φ = 6947856.

The previous prime is 8739209. The next prime is 8739281. The reversal of 8739245 is 5429378.

8739245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8739209) and next prime (8739281).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8739245 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8739199 and 8739208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4547 + ... + 6176.

It is an arithmetic number, because the mean of its divisors is an integer number (1319052).

Almost surely, 2^8739245 is an apocalyptic number.

It is an amenable number.

8739245 is a deficient number, since it is larger than the sum of its proper divisors (1813171).

8739245 is a wasteful number, since it uses less digits than its factorization.

8739245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10891.

The product of its digits is 60480, while the sum is 38.

The square root of 8739245 is about 2956.2214057814. The cubic root of 8739245 is about 205.9798029025.

The spelling of 8739245 in words is "eight million, seven hundred thirty-nine thousand, two hundred forty-five".