1387384 has 16 divisors (see below), whose sum is σ = 2644920. Its totient is φ = 682080.

The previous prime is 1387367. The next prime is 1387403. The reversal of 1387384 is 4837831.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 934 + ... + 1909.

2^1387384 is an apocalyptic number.

It is an amenable number.

1387384 is a deficient number, since it is larger than the sum of its proper divisors (1257536).

1387384 is a wasteful number, since it uses less digits than its factorization.

1387384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2910 (or 2906 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 1387384 is about 1177.8726586520. The cubic root of 1387384 is about 111.5318468958.

It can be divided in two parts, 1387 and 384, that added together give a palindrome (1771).

The spelling of 1387384 in words is "one million, three hundred eighty-seven thousand, three hundred eighty-four".