1385844 has 24 divisors (see below), whose sum is σ = 3296160. Its totient is φ = 453024.

The previous prime is 1385843. The next prime is 1385861. The reversal of 1385844 is 4485831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385843) 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, 454 + ... + 1725.

It is an arithmetic number, because the mean of its divisors is an integer number (137340).

2^1385844 is an apocalyptic number.

It is an amenable number.

1385844 is an abundant number, since it is smaller than the sum of its proper divisors (1910316).

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

1385844 is a wasteful number, since it uses less digits than its factorization.

1385844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239 (or 2237 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 1385844 is about 1177.2187562216. The cubic root of 1385844 is about 111.4905647334.

The spelling of 1385844 in words is "one million, three hundred eighty-five thousand, eight hundred forty-four".