1387882 has 8 divisors (see below), whose sum is σ = 2153700. Its totient is φ = 669984.

The previous prime is 1387879. The next prime is 1387913. The reversal of 1387882 is 2887831.

It can be written as a sum of positive squares in 2 ways, for example, as 1371241 + 16641 = 1171^2 + 129^2 .

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

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, 11907 + ... + 12022.

2^1387882 is an apocalyptic number.

1387882 is a deficient number, since it is larger than the sum of its proper divisors (765818).

1387882 is a wasteful number, since it uses less digits than its factorization.

1387882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23960.

The product of its digits is 21504, while the sum is 37.

The square root of 1387882 is about 1178.0840377494. The cubic root of 1387882 is about 111.5451900450.

The spelling of 1387882 in words is "one million, three hundred eighty-seven thousand, eight hundred eighty-two".