8144939 has 8 divisors (see below), whose sum is σ = 9353280. Its totient is φ = 7014600.

The previous prime is 8144933. The next prime is 8144951. The reversal of 8144939 is 9394418.

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

It is a cyclic number.

It is not a de Polignac number, because 8144939 - 2⁴ = 8144923 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8144933) 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, 19277 + ... + 19694.

It is an arithmetic number, because the mean of its divisors is an integer number (1169160).

Almost surely, 2^8144939 is an apocalyptic number.

8144939 is a deficient number, since it is larger than the sum of its proper divisors (1208341).

8144939 is a wasteful number, since it uses less digits than its factorization.

8144939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39001.

The product of its digits is 31104, while the sum is 38.

The square root of 8144939 is about 2853.9339515833. The cubic root of 8144939 is about 201.2006033364.

The spelling of 8144939 in words is "eight million, one hundred forty-four thousand, nine hundred thirty-nine".