1386990716 has 12 divisors (see below), whose sum is σ = 2505531840. Its totient is φ = 671124480.

The previous prime is 1386990691. The next prime is 1386990721. The reversal of 1386990716 is 6170996831.

It is a super-3 number, since 3×1386990716³ (a number of 28 digits) contains 333 as substring.

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, 5592581 + ... + 5592828.

It is an arithmetic number, because the mean of its divisors is an integer number (208794320).

Almost surely, 2^1386990716 is an apocalyptic number.

It is an amenable number.

1386990716 is a deficient number, since it is larger than the sum of its proper divisors (1118541124).

1386990716 is a wasteful number, since it uses less digits than its factorization.

1386990716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11185444 (or 11185442 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 1386990716 is about 37242.3242561471. The cubic root of 1386990716 is about 1115.2130719509.

The spelling of 1386990716 in words is "one billion, three hundred eighty-six million, nine hundred ninety thousand, seven hundred sixteen".