1383375 has 64 divisors (see below), whose sum is σ = 2875392. Its totient is φ = 576000.

The previous prime is 1383367. The next prime is 1383377. The reversal of 1383375 is 5733831.

It is not a de Polignac number, because 1383375 - 2³ = 1383367 is a prime.

Its product of digits (7560) is a multiple of the sum of its prime divisors (63).

1383375 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44610 + ... + 44640.

It is an arithmetic number, because the mean of its divisors is an integer number (44928).

2^1383375 is an apocalyptic number.

1383375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1383375 is an abundant number, since it is smaller than the sum of its proper divisors (1492017).

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

1383375 is a wasteful number, since it uses less digits than its factorization.

1383375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73 (or 63 counting only the distinct ones).

The product of its digits is 7560, while the sum is 30.

The square root of 1383375 is about 1176.1696306231. The cubic root of 1383375 is about 111.4243153723.

The spelling of 1383375 in words is "one million, three hundred eighty-three thousand, three hundred seventy-five".