8146881 has 6 divisors (see below), whose sum is σ = 11767730. Its totient is φ = 5431248.

The previous prime is 8146867. The next prime is 8146907. The reversal of 8146881 is 1886418.

It can be written as a sum of positive squares in only one way, i.e., 7952400 + 194481 = 2820^2 + 441^2 .

It is not a de Polignac number, because 8146881 - 2¹¹ = 8144833 is a prime.

It is a super-2 number, since 2×8146881² = 132743340056322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8146811) 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 5 ways as a sum of consecutive naturals, for example, 452596 + ... + 452613.

Almost surely, 2^8146881 is an apocalyptic number.

It is an amenable number.

8146881 is a deficient number, since it is larger than the sum of its proper divisors (3620849).

8146881 is a wasteful number, since it uses less digits than its factorization.

8146881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905215 (or 905212 counting only the distinct ones).

The product of its digits is 12288, while the sum is 36.

The square root of 8146881 is about 2854.2741634258. The cubic root of 8146881 is about 201.2165928370.

The spelling of 8146881 in words is "eight million, one hundred forty-six thousand, eight hundred eighty-one".