1882726864 has 20 divisors (see below), whose sum is σ = 3773569860. Its totient is φ = 908902400.

The previous prime is 1882726849. The next prime is 1882726883. The reversal of 1882726864 is 4686272881.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1204645264 + 678081600 = 34708^2 + 26040^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2028337 + ... + 2029264.

It is an arithmetic number, because the mean of its divisors is an integer number (188678493).

Almost surely, 2^1882726864 is an apocalyptic number.

It is an amenable number.

1882726864 is an abundant number, since it is smaller than the sum of its proper divisors (1890842996).

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

1882726864 is a wasteful number, since it uses less digits than its factorization.

1882726864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057638 (or 4057632 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 52.

The square root of 1882726864 is about 43390.4005973672. The cubic root of 1882726864 is about 1234.7975899108.

The spelling of 1882726864 in words is "one billion, eight hundred eighty-two million, seven hundred twenty-six thousand, eight hundred sixty-four".