1689054284 has 12 divisors (see below), whose sum is σ = 2968111608. Its totient is φ = 841022400.

The previous prime is 1689054247. The next prime is 1689054293. The reversal of 1689054284 is 4824509861.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875102 + ... + 877029.

It is an arithmetic number, because the mean of its divisors is an integer number (247342634).

Almost surely, 2^1689054284 is an apocalyptic number.

It is an amenable number.

1689054284 is a deficient number, since it is larger than the sum of its proper divisors (1279057324).

1689054284 is a wasteful number, since it uses less digits than its factorization.

1689054284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752376 (or 1752374 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 47.

The square root of 1689054284 is about 41098.1056011101. The cubic root of 1689054284 is about 1190.9161985976.

The spelling of 1689054284 in words is "one billion, six hundred eighty-nine million, fifty-four thousand, two hundred eighty-four".