1386976488 has 64 divisors (see below), whose sum is σ = 3499200000. Its totient is φ = 458112192.

The previous prime is 1386976477. The next prime is 1386976523. The reversal of 1386976488 is 8846796831.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2143381 + ... + 2144027.

It is an arithmetic number, because the mean of its divisors is an integer number (54675000).

Almost surely, 2^1386976488 is an apocalyptic number.

It is an amenable number.

1386976488 is an abundant number, since it is smaller than the sum of its proper divisors (2112223512).

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

1386976488 is a wasteful number, since it uses less digits than its factorization.

1386976488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334 (or 1330 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 60.

The square root of 1386976488 is about 37242.1332364299. The cubic root of 1386976488 is about 1115.2092585858.

The spelling of 1386976488 in words is "one billion, three hundred eighty-six million, nine hundred seventy-six thousand, four hundred eighty-eight".