1989276060 has 72 divisors (see below), whose sum is σ = 5878622736. Its totient is φ = 502548480.

The previous prime is 1989276059. The next prime is 1989276071. The reversal of 1989276060 is 606729891.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24261 + ... + 67580.

It is an arithmetic number, because the mean of its divisors is an integer number (81647538).

Almost surely, 2^1989276060 is an apocalyptic number.

1989276060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1989276060 is an abundant number, since it is smaller than the sum of its proper divisors (3889346676).

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

1989276060 is a wasteful number, since it uses less digits than its factorization.

1989276060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91891 (or 91870 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 1989276060 is about 44601.3011020979. The cubic root of 1989276060 is about 1257.6651267228.

The spelling of 1989276060 in words is "one billion, nine hundred eighty-nine million, two hundred seventy-six thousand, sixty".