1882989772 has 12 divisors (see below), whose sum is σ = 3299251536. Its totient is φ = 940346480.

The previous prime is 1882989761. The next prime is 1882989803. The reversal of 1882989772 is 2779892881.

It is a super-2 number, since 2×1882989772² = 7091300962913223968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1882989772.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283408 + ... + 289975.

It is an arithmetic number, because the mean of its divisors is an integer number (274937628).

Almost surely, 2^1882989772 is an apocalyptic number.

It is an amenable number.

1882989772 is a deficient number, since it is larger than the sum of its proper divisors (1416261764).

1882989772 is a wasteful number, since it uses less digits than its factorization.

1882989772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574208 (or 574206 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 61.

The square root of 1882989772 is about 43393.4300557124. The cubic root of 1882989772 is about 1234.8550638264.

The spelling of 1882989772 in words is "one billion, eight hundred eighty-two million, nine hundred eighty-nine thousand, seven hundred seventy-two".