8143955 has 12 divisors (see below), whose sum is σ = 10219440. Its totient is φ = 6229872.

The previous prime is 8143939. The next prime is 8143987. The reversal of 8143955 is 5593418.

It is not a de Polignac number, because 8143955 - 2⁴ = 8143939 is a prime.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1106 + ... + 4184.

It is an arithmetic number, because the mean of its divisors is an integer number (851620).

Almost surely, 2^8143955 is an apocalyptic number.

8143955 is a deficient number, since it is larger than the sum of its proper divisors (2075485).

8143955 is a wasteful number, since it uses less digits than its factorization.

8143955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3130 (or 3107 counting only the distinct ones).

The product of its digits is 21600, while the sum is 35.

The square root of 8143955 is about 2853.7615527580. The cubic root of 8143955 is about 201.1925005801.

The spelling of 8143955 in words is "eight million, one hundred forty-three thousand, nine hundred fifty-five".