1684886468 has 12 divisors (see below), whose sum is σ = 2949821952. Its totient is φ = 842080200.

The previous prime is 1684886461. The next prime is 1684886491. The reversal of 1684886468 is 8646884861.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1684886461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80180 + ... + 98987.

It is an arithmetic number, because the mean of its divisors is an integer number (245818496).

Almost surely, 2^1684886468 is an apocalyptic number.

It is an amenable number.

1684886468 is a deficient number, since it is larger than the sum of its proper divisors (1264935484).

1684886468 is a wasteful number, since it uses less digits than its factorization.

1684886468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181522 (or 181520 counting only the distinct ones).

The product of its digits is 14155776, while the sum is 59.

The square root of 1684886468 is about 41047.3685880106. The cubic root of 1684886468 is about 1189.9358457046.

The spelling of 1684886468 in words is "one billion, six hundred eighty-four million, eight hundred eighty-six thousand, four hundred sixty-eight".