1385656 has 8 divisors (see below), whose sum is σ = 2598120. Its totient is φ = 692824.

The previous prime is 1385647. The next prime is 1385693. The reversal of 1385656 is 6565831.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86596 + ... + 86611.

It is an arithmetic number, because the mean of its divisors is an integer number (324765).

2^1385656 is an apocalyptic number.

It is an amenable number.

1385656 is a deficient number, since it is larger than the sum of its proper divisors (1212464).

1385656 is a wasteful number, since it uses less digits than its factorization.

1385656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173213 (or 173209 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 1385656 is about 1177.1389042929. The cubic root of 1385656 is about 111.4855229986.

The spelling of 1385656 in words is "one million, three hundred eighty-five thousand, six hundred fifty-six".