1386860 has 24 divisors (see below), whose sum is σ = 3084480. Its totient is φ = 521984.

The previous prime is 1386857. The next prime is 1386863. The reversal of 1386860 is 686831.

It is an interprime number because it is at equal distance from previous prime (1386857) and next prime (1386863).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386863) 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, 1700 + ... + 2379.

It is an arithmetic number, because the mean of its divisors is an integer number (128520).

2^1386860 is an apocalyptic number.

1386860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1386860 is an abundant number, since it is smaller than the sum of its proper divisors (1697620).

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

1386860 is a wasteful number, since it uses less digits than its factorization.

1386860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4105 (or 4103 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1386860 is about 1177.6502027342. The cubic root of 1386860 is about 111.5178036684.

The spelling of 1386860 in words is "one million, three hundred eighty-six thousand, eight hundred sixty".