1399818968 has 16 divisors (see below), whose sum is σ = 2635121160. Its totient is φ = 697120000.

The previous prime is 1399818949. The next prime is 1399819051. The reversal of 1399818968 is 8698189931.

It is a self number, because there is not a number n which added to its sum of digits gives 1399818968.

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 3 ways as a sum of consecutive naturals, for example, 346553 + ... + 350568.

Almost surely, 2^1399818968 is an apocalyptic number.

It is an amenable number.

1399818968 is a deficient number, since it is larger than the sum of its proper divisors (1235302192).

1399818968 is a wasteful number, since it uses less digits than its factorization.

1399818968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697378 (or 697374 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 62.

The square root of 1399818968 is about 37414.1546476731. The cubic root of 1399818968 is about 1118.6407213132.

The spelling of 1399818968 in words is "one billion, three hundred ninety-nine million, eight hundred eighteen thousand, nine hundred sixty-eight".