1385444 has 6 divisors (see below), whose sum is σ = 2424534. Its totient is φ = 692720.

The previous prime is 1385441. The next prime is 1385459. The reversal of 1385444 is 4445831.

It can be written as a sum of positive squares in only one way, i.e., 1254400 + 131044 = 1120^2 + 362^2 .

It is not an unprimeable number, because it can be changed into a prime (1385441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173177 + ... + 173184.

It is an arithmetic number, because the mean of its divisors is an integer number (404089).

2^1385444 is an apocalyptic number.

It is an amenable number.

1385444 is a deficient number, since it is larger than the sum of its proper divisors (1039090).

1385444 is a wasteful number, since it uses less digits than its factorization.

1385444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346365 (or 346363 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 1385444 is about 1177.0488520023. The cubic root of 1385444 is about 111.4798370909.

The spelling of 1385444 in words is "one million, three hundred eighty-five thousand, four hundred forty-four".