8148905 has 8 divisors (see below), whose sum is σ = 9829512. Its totient is φ = 6485248.

The previous prime is 8148871. The next prime is 8148911. The reversal of 8148905 is 5098418.

It can be written as a sum of positive squares in 4 ways, for example, as 4032064 + 4116841 = 2008^2 + 2029^2 .

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 8148905 - 2⁶ = 8148841 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3152 + ... + 5121.

It is an arithmetic number, because the mean of its divisors is an integer number (1228689).

Almost surely, 2^8148905 is an apocalyptic number.

It is an amenable number.

8148905 is a deficient number, since it is larger than the sum of its proper divisors (1680607).

8148905 is a wasteful number, since it uses less digits than its factorization.

8148905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8475.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 8148905 is about 2854.6286973966. The cubic root of 8148905 is about 201.2332547826.

The spelling of 8148905 in words is "eight million, one hundred forty-eight thousand, nine hundred five".