8870039 has 4 divisors (see below), whose sum is σ = 9391824. Its totient is φ = 8348256.

The previous prime is 8870021. The next prime is 8870053. The reversal of 8870039 is 9300788.

8870039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8870039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8869990 and 8870008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8870009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260867 + ... + 260900.

It is an arithmetic number, because the mean of its divisors is an integer number (2347956).

Almost surely, 2^8870039 is an apocalyptic number.

8870039 is a deficient number, since it is larger than the sum of its proper divisors (521785).

8870039 is a wasteful number, since it uses less digits than its factorization.

8870039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521784.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 8870039 is about 2978.2610698191. The cubic root of 8870039 is about 207.0023026341.

The spelling of 8870039 in words is "eight million, eight hundred seventy thousand, thirty-nine".