8239149 has 12 divisors (see below), whose sum is σ = 12285312. Its totient is φ = 5315400.

The previous prime is 8239139. The next prime is 8239151. The reversal of 8239149 is 9419328.

It is not a de Polignac number, because 8239149 - 2⁵ = 8239117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8239139) 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, 14487 + ... + 15044.

It is an arithmetic number, because the mean of its divisors is an integer number (1023776).

Almost surely, 2^8239149 is an apocalyptic number.

It is an amenable number.

8239149 is a deficient number, since it is larger than the sum of its proper divisors (4046163).

8239149 is a wasteful number, since it uses less digits than its factorization.

8239149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29568 (or 29565 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 8239149 is about 2870.3917851053. The cubic root of 8239149 is about 201.9733732835.

The spelling of 8239149 in words is "eight million, two hundred thirty-nine thousand, one hundred forty-nine".