1383388 has 12 divisors (see below), whose sum is σ = 2430792. Its totient is φ = 688880.

The previous prime is 1383379. The next prime is 1383391. The reversal of 1383388 is 8833831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723 + ... + 1813.

It is an arithmetic number, because the mean of its divisors is an integer number (202566).

2^1383388 is an apocalyptic number.

It is an amenable number.

1383388 is a deficient number, since it is larger than the sum of its proper divisors (1047404).

1383388 is a wasteful number, since it uses less digits than its factorization.

1383388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412 (or 1410 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 1383388 is about 1176.1751570238. The cubic root of 1383388 is about 111.4246644008.

It can be divided in two parts, 138338 and 8, that multiplied together give a square (1106704 = 1052²).

The spelling of 1383388 in words is "one million, three hundred eighty-three thousand, three hundred eighty-eight".