276841864 has 32 divisors (see below), whose sum is σ = 563978520. Its totient is φ = 126637056.

The previous prime is 276841847. The next prime is 276841867. The reversal of 276841864 is 468148672.

276841864 is digitally balanced in base 3, 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 4 ways, for example, as 22184100 + 254657764 = 4710^2 + 15958^2 .

It is not an unprimeable number, because it can be changed into a prime (276841867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27 + ... + 23530.

Almost surely, 2^276841864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276841864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281989260).

276841864 is an abundant number, since it is smaller than the sum of its proper divisors (287136656).

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

276841864 is a wasteful number, since it uses less digits than its factorization.

276841864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23689 (or 23685 counting only the distinct ones).

The product of its digits is 516096, while the sum is 46.

The square root of 276841864 is about 16638.5655631728. The cubic root of 276841864 is about 651.7443199378.

The spelling of 276841864 in words is "two hundred seventy-six million, eight hundred forty-one thousand, eight hundred sixty-four".