4320872 has 24 divisors (see below), whose sum is σ = 8477490. Its totient is φ = 2064480.

The previous prime is 4320863. The next prime is 4320893. The reversal of 4320872 is 2780234.

It can be written as a sum of positive squares in only one way, i.e., 3556996 + 763876 = 1886^2 + 874^2 .

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 5 ways as a sum of consecutive naturals, for example, 3722 + ... + 4742.

Almost surely, 2^4320872 is an apocalyptic number.

It is an amenable number.

4320872 is a deficient number, since it is larger than the sum of its proper divisors (4156618).

4320872 is a wasteful number, since it uses less digits than its factorization.

4320872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073 (or 1046 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 4320872 is about 2078.6707290959. The cubic root of 4320872 is about 162.8760144629.

The spelling of 4320872 in words is "four million, three hundred twenty thousand, eight hundred seventy-two".