8148489 has 4 divisors (see below), whose sum is σ = 10864656. Its totient is φ = 5432324.

The previous prime is 8148487. The next prime is 8148493. The reversal of 8148489 is 9848418.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8148489 - 2¹ = 8148487 is a prime.

8148489 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8148489.

It is not an unprimeable number, because it can be changed into a prime (8148487) 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 3 ways as a sum of consecutive naturals, for example, 1358079 + ... + 1358084.

It is an arithmetic number, because the mean of its divisors is an integer number (2716164).

Almost surely, 2^8148489 is an apocalyptic number.

It is an amenable number.

8148489 is a deficient number, since it is larger than the sum of its proper divisors (2716167).

8148489 is a wasteful number, since it uses less digits than its factorization.

8148489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2716166.

The product of its digits is 73728, while the sum is 42.

The square root of 8148489 is about 2854.5558323494. Note that the first 3 decimals coincide. The cubic root of 8148489 is about 201.2298304182.

The spelling of 8148489 in words is "eight million, one hundred forty-eight thousand, four hundred eighty-nine".