1387552 has 24 divisors (see below), whose sum is σ = 2760912. Its totient is φ = 686400.

The previous prime is 1387531. The next prime is 1387571. The reversal of 1387552 is 2557831.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4027 + ... + 4357.

It is an arithmetic number, because the mean of its divisors is an integer number (115038).

2^1387552 is an apocalyptic number.

It is an amenable number.

1387552 is a deficient number, since it is larger than the sum of its proper divisors (1373360).

1387552 is a wasteful number, since it uses less digits than its factorization.

1387552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 464 counting only the distinct ones).

The product of its digits is 8400, while the sum is 31.

The square root of 1387552 is about 1177.9439715029. The cubic root of 1387552 is about 111.5363485560.

The spelling of 1387552 in words is "one million, three hundred eighty-seven thousand, five hundred fifty-two".