8144872 has 8 divisors (see below), whose sum is σ = 15271650. Its totient is φ = 4072432.

The previous prime is 8144861. The next prime is 8144879. The reversal of 8144872 is 2784418.

It can be written as a sum of positive squares in only one way, i.e., 4955076 + 3189796 = 2226^2 + 1786^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (8144879) 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 as a sum of consecutive naturals, namely, 509047 + ... + 509062.

Almost surely, 2^8144872 is an apocalyptic number.

It is an amenable number.

8144872 is a deficient number, since it is larger than the sum of its proper divisors (7126778).

8144872 is a wasteful number, since it uses less digits than its factorization.

8144872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018115 (or 1018111 counting only the distinct ones).

The product of its digits is 14336, while the sum is 34.

The square root of 8144872 is about 2853.9222133758. The cubic root of 8144872 is about 201.2000516451.

The spelling of 8144872 in words is "eight million, one hundred forty-four thousand, eight hundred seventy-two".