1386317974 has 4 divisors (see below), whose sum is σ = 2079476964. Its totient is φ = 693158986.

The previous prime is 1386317963. The next prime is 1386317981. The reversal of 1386317974 is 4797136831.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346579492 + ... + 346579495.

It is an arithmetic number, because the mean of its divisors is an integer number (519869241).

Almost surely, 2^1386317974 is an apocalyptic number.

1386317974 is a deficient number, since it is larger than the sum of its proper divisors (693158990).

1386317974 is an equidigital number, since it uses as much as digits as its factorization.

1386317974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693158989.

The product of its digits is 762048, while the sum is 49.

The square root of 1386317974 is about 37233.2912055864. The cubic root of 1386317974 is about 1115.0327362076.

The spelling of 1386317974 in words is "one billion, three hundred eighty-six million, three hundred seventeen thousand, nine hundred seventy-four".