1387362986 has 8 divisors (see below), whose sum is σ = 2097431040. Its totient is φ = 688219308.

The previous prime is 1387362983. The next prime is 1387362997. The reversal of 1387362986 is 6892637831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1387362983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2730776 + ... + 2731283.

It is an arithmetic number, because the mean of its divisors is an integer number (262178880).

Almost surely, 2^1387362986 is an apocalyptic number.

1387362986 is a deficient number, since it is larger than the sum of its proper divisors (710068054).

1387362986 is a wasteful number, since it uses less digits than its factorization.

1387362986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5462188.

The product of its digits is 2612736, while the sum is 53.

The square root of 1387362986 is about 37247.3218634575. The cubic root of 1387362986 is about 1115.3128378753.

The spelling of 1387362986 in words is "one billion, three hundred eighty-seven million, three hundred sixty-two thousand, nine hundred eighty-six".