872339140 has 24 divisors (see below), whose sum is σ = 1895082840. Its totient is φ = 336903168.

The previous prime is 872339057. The next prime is 872339141. The reversal of 872339140 is 41933278.

It can be written as a sum of positive squares in 4 ways, for example, as 3740356 + 868598784 = 1934^2 + 29472^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 872339140.

It is not an unprimeable number, because it can be changed into a prime (872339141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751437 + ... + 752596.

It is an arithmetic number, because the mean of its divisors is an integer number (78961785).

Almost surely, 2^872339140 is an apocalyptic number.

It is an amenable number.

872339140 is an abundant number, since it is smaller than the sum of its proper divisors (1022743700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

872339140 is a wasteful number, since it uses less digits than its factorization.

872339140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504071 (or 1504069 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 872339140 is about 29535.3879270275. The cubic root of 872339140 is about 955.4950751236.

The spelling of 872339140 in words is "eight hundred seventy-two million, three hundred thirty-nine thousand, one hundred forty".