1385788 has 6 divisors (see below), whose sum is σ = 2425136. Its totient is φ = 692892.

The previous prime is 1385779. The next prime is 1385801. The reversal of 1385788 is 8875831.

It is a self number, because there is not a number n which added to its sum of digits gives 1385788.

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, 173220 + ... + 173227.

2^1385788 is an apocalyptic number.

It is an amenable number.

1385788 is a deficient number, since it is larger than the sum of its proper divisors (1039348).

1385788 is a wasteful number, since it uses less digits than its factorization.

1385788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346451 (or 346449 counting only the distinct ones).

The product of its digits is 53760, while the sum is 40.

The square root of 1385788 is about 1177.1949711072. The cubic root of 1385788 is about 111.4890629878.

The spelling of 1385788 in words is "one million, three hundred eighty-five thousand, seven hundred eighty-eight".