1343686988 has 24 divisors (see below), whose sum is σ = 2697606912. Its totient is φ = 573673104.

The previous prime is 1343686963. The next prime is 1343686991. The reversal of 1343686988 is 8896863431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83870 + ... + 98597.

It is an arithmetic number, because the mean of its divisors is an integer number (112400288).

Almost surely, 2^1343686988 is an apocalyptic number.

It is an amenable number.

1343686988 is an abundant number, since it is smaller than the sum of its proper divisors (1353919924).

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

1343686988 is a wasteful number, since it uses less digits than its factorization.

1343686988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182741 (or 182739 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 56.

The square root of 1343686988 is about 36656.3362599156. The cubic root of 1343686988 is about 1103.4839916413.

The spelling of 1343686988 in words is "one billion, three hundred forty-three million, six hundred eighty-six thousand, nine hundred eighty-eight".