8813439 has 12 divisors (see below), whose sum is σ = 13284336. Its totient is φ = 5620032.

The previous prime is 8813407. The next prime is 8813447. The reversal of 8813439 is 9343188.

It is not a de Polignac number, because 8813439 - 2⁵ = 8813407 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8813489) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21082 + ... + 21495.

It is an arithmetic number, because the mean of its divisors is an integer number (1107028).

Almost surely, 2^8813439 is an apocalyptic number.

8813439 is a deficient number, since it is larger than the sum of its proper divisors (4470897).

8813439 is a wasteful number, since it uses less digits than its factorization.

8813439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42606 (or 42603 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 8813439 is about 2968.7436736775. The cubic root of 8813439 is about 206.5610667008.

The spelling of 8813439 in words is "eight million, eight hundred thirteen thousand, four hundred thirty-nine".