1387376 has 10 divisors (see below), whose sum is σ = 2688072. Its totient is φ = 693680.

The previous prime is 1387367. The next prime is 1387403. The reversal of 1387376 is 6737831.

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, 43340 + ... + 43371.

2^1387376 is an apocalyptic number.

1387376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1387376 is a deficient number, since it is larger than the sum of its proper divisors (1300696).

1387376 is an equidigital number, since it uses as much as digits as its factorization.

1387376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86719 (or 86713 counting only the distinct ones).

The product of its digits is 21168, while the sum is 35.

The square root of 1387376 is about 1177.8692626943. The cubic root of 1387376 is about 111.5316325219.

The spelling of 1387376 in words is "one million, three hundred eighty-seven thousand, three hundred seventy-six".