866732948 has 12 divisors (see below), whose sum is σ = 1553777652. Its totient is φ = 422796480.

The previous prime is 866732917. The next prime is 866732959. The reversal of 866732948 is 849237668.

866732948 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 295427344 + 571305604 = 17188^2 + 23902^2 .

It is a super-3 number, since 3×866732948³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 866732948.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2642315 + ... + 2642642.

It is an arithmetic number, because the mean of its divisors is an integer number (129481471).

Almost surely, 2^866732948 is an apocalyptic number.

It is an amenable number.

866732948 is a deficient number, since it is larger than the sum of its proper divisors (687044704).

866732948 is a wasteful number, since it uses less digits than its factorization.

866732948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5285002 (or 5285000 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 53.

The square root of 866732948 is about 29440.3285987096. The cubic root of 866732948 is about 953.4438067271.

The spelling of 866732948 in words is "eight hundred sixty-six million, seven hundred thirty-two thousand, nine hundred forty-eight".