1386532 has 24 divisors (see below), whose sum is σ = 2894976. Its totient is φ = 568128.

The previous prime is 1386499. The next prime is 1386551. The reversal of 1386532 is 2356831.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1386532.

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 7 ways as a sum of consecutive naturals, for example, 433 + ... + 1720.

It is an arithmetic number, because the mean of its divisors is an integer number (120624).

2^1386532 is an apocalyptic number.

It is an amenable number.

1386532 is an abundant number, since it is smaller than the sum of its proper divisors (1508444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1386532 is a wasteful number, since it uses less digits than its factorization.

1386532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187 (or 2185 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 1386532 is about 1177.5109341318. The cubic root of 1386532 is about 111.5090114510.

Subtracting 1386532 from its reverse (2356831), we obtain a cube (970299 = 99³).

It can be divided in two parts, 138 and 6532, that added together give a triangular number (6670 = T₁₁₅).

The spelling of 1386532 in words is "one million, three hundred eighty-six thousand, five hundred thirty-two".