1689283976 has 16 divisors (see below), whose sum is σ = 3174973200. Its totient is φ = 842624464.

The previous prime is 1689283969. The next prime is 1689283997. The reversal of 1689283976 is 6793829861.

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, 248630 + ... + 255333.

It is an arithmetic number, because the mean of its divisors is an integer number (198435825).

Almost surely, 2^1689283976 is an apocalyptic number.

It is an amenable number.

1689283976 is a deficient number, since it is larger than the sum of its proper divisors (1485689224).

1689283976 is a wasteful number, since it uses less digits than its factorization.

1689283976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504388 (or 504384 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 59.

The square root of 1689283976 is about 41100.8999414855. The cubic root of 1689283976 is about 1190.9701797963.

The spelling of 1689283976 in words is "one billion, six hundred eighty-nine million, two hundred eighty-three thousand, nine hundred seventy-six".