1386560 has 56 divisors (see below), whose sum is σ = 3779520. Its totient is φ = 474624.

The previous prime is 1386557. The next prime is 1386569. The reversal of 1386560 is 656831.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (1386569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1931 + ... + 2549.

2^1386560 is an apocalyptic number.

1386560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1386560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1889760).

1386560 is an abundant number, since it is smaller than the sum of its proper divisors (2392960).

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

1386560 is an equidigital number, since it uses as much as digits as its factorization.

1386560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1386560 is about 1177.5228235580. The cubic root of 1386560 is about 111.5097620603.

The spelling of 1386560 in words is "one million, three hundred eighty-six thousand, five hundred sixty".