1386036 has 18 divisors (see below), whose sum is σ = 3503682. Its totient is φ = 462000.

The previous prime is 1386013. The next prime is 1386037. The reversal of 1386036 is 6306831.

It can be written as a sum of positive squares in only one way, i.e., 1299600 + 86436 = 1140^2 + 294^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19215 + ... + 19286.

It is an arithmetic number, because the mean of its divisors is an integer number (194649).

2^1386036 is an apocalyptic number.

It is an amenable number.

1386036 is an abundant number, since it is smaller than the sum of its proper divisors (2117646).

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

1386036 is a wasteful number, since it uses less digits than its factorization.

1386036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38511 (or 38506 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1386036 is about 1177.3003015374. The cubic root of 1386036 is about 111.4957132687.

The spelling of 1386036 in words is "one million, three hundred eighty-six thousand, thirty-six".