1386156 has 12 divisors (see below), whose sum is σ = 3234392. Its totient is φ = 462048.

The previous prime is 1386149. The next prime is 1386167. The reversal of 1386156 is 6516831.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57745 + ... + 57768.

2^1386156 is an apocalyptic number.

It is an amenable number.

1386156 is an abundant number, since it is smaller than the sum of its proper divisors (1848236).

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

1386156 is a wasteful number, since it uses less digits than its factorization.

1386156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115520 (or 115518 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 1386156 is about 1177.3512644916. The cubic root of 1386156 is about 111.4989308617.

The spelling of 1386156 in words is "one million, three hundred eighty-six thousand, one hundred fifty-six".