8739213 has 8 divisors (see below), whose sum is σ = 13316928. Its totient is φ = 4993824.

The previous prime is 8739209. The next prime is 8739281. The reversal of 8739213 is 3129378.

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

It is not a de Polignac number, because 8739213 - 2² = 8739209 is a prime.

It is a Curzon number.

8739213 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8739113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208056 + ... + 208097.

It is an arithmetic number, because the mean of its divisors is an integer number (1664616).

Almost surely, 2^8739213 is an apocalyptic number.

It is an amenable number.

8739213 is a deficient number, since it is larger than the sum of its proper divisors (4577715).

8739213 is a wasteful number, since it uses less digits than its factorization.

8739213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416163.

The product of its digits is 9072, while the sum is 33.

The square root of 8739213 is about 2956.2159934619. The cubic root of 8739213 is about 205.9795514940.

The spelling of 8739213 in words is "eight million, seven hundred thirty-nine thousand, two hundred thirteen".