1383345 has 16 divisors (see below), whose sum is σ = 2459520. Its totient is φ = 737712.

The previous prime is 1383331. The next prime is 1383359. The reversal of 1383345 is 5433831.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1383331) and next prime (1383359).

It is not a de Polignac number, because 1383345 - 2⁸ = 1383089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4989 + ... + 5258.

It is an arithmetic number, because the mean of its divisors is an integer number (153720).

2^1383345 is an apocalyptic number.

1383345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1383345 is a deficient number, since it is larger than the sum of its proper divisors (1076175).

1383345 is a wasteful number, since it uses less digits than its factorization.

1383345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10261 (or 10255 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 1383345 is about 1176.1568772915. The cubic root of 1383345 is about 111.4235099138.

It can be divided in two parts, 1383 and 345, that added together give a cube (1728 = 12³).

The spelling of 1383345 in words is "one million, three hundred eighty-three thousand, three hundred forty-five".