1349887868 has 18 divisors (see below), whose sum is σ = 2747986416. Its totient is φ = 578523288.

The previous prime is 1349887823. The next prime is 1349887879. The reversal of 1349887868 is 8687889431.

It is a self number, because there is not a number n which added to its sum of digits gives 1349887868.

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 5 ways as a sum of consecutive naturals, for example, 3443396 + ... + 3443787.

It is an arithmetic number, because the mean of its divisors is an integer number (152665912).

Almost surely, 2^1349887868 is an apocalyptic number.

It is an amenable number.

1349887868 is an abundant number, since it is smaller than the sum of its proper divisors (1398098548).

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

1349887868 is a wasteful number, since it uses less digits than its factorization.

1349887868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6887201 (or 6887192 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 62.

The square root of 1349887868 is about 36740.8201868167. The cubic root of 1349887868 is about 1105.1788489063.

The spelling of 1349887868 in words is "one billion, three hundred forty-nine million, eight hundred eighty-seven thousand, eight hundred sixty-eight".