8149039 has 4 divisors (see below), whose sum is σ = 8191456. Its totient is φ = 8106624.

The previous prime is 8149027. The next prime is 8149079. The reversal of 8149039 is 9309418.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9309418 = 2 ⋅4654709.

It is a cyclic number.

It is not a de Polignac number, because 8149039 - 2⁵ = 8149007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8148995 and 8149013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8149079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20919 + ... + 21304.

It is an arithmetic number, because the mean of its divisors is an integer number (2047864).

Almost surely, 2^8149039 is an apocalyptic number.

8149039 is a deficient number, since it is larger than the sum of its proper divisors (42417).

8149039 is a wasteful number, since it uses less digits than its factorization.

8149039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42416.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 8149039 is about 2854.6521679532. The cubic root of 8149039 is about 201.2343577982.

The spelling of 8149039 in words is "eight million, one hundred forty-nine thousand, thirty-nine".