1385556 has 48 divisors (see below), whose sum is σ = 3494400. Its totient is φ = 425952.

The previous prime is 1385521. The next prime is 1385561. The reversal of 1385556 is 6555831.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13401 + ... + 13503.

It is an arithmetic number, because the mean of its divisors is an integer number (72800).

2^1385556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1385556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1747200).

1385556 is an abundant number, since it is smaller than the sum of its proper divisors (2108844).

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

1385556 is a wasteful number, since it uses less digits than its factorization.

1385556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 186 counting only the distinct ones).

The product of its digits is 18000, while the sum is 33.

The square root of 1385556 is about 1177.0964276558. The cubic root of 1385556 is about 111.4828410389.

The spelling of 1385556 in words is "one million, three hundred eighty-five thousand, five hundred fifty-six".