1383555 has 8 divisors (see below), whose sum is σ = 2213712. Its totient is φ = 737888.

The previous prime is 1383553. The next prime is 1383583. The reversal of 1383555 is 5553831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1383555 - 2¹ = 1383553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1383553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46104 + ... + 46133.

It is an arithmetic number, because the mean of its divisors is an integer number (276714).

2^1383555 is an apocalyptic number.

1383555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1383555 is a deficient number, since it is larger than the sum of its proper divisors (830157).

1383555 is an equidigital number, since it uses as much as digits as its factorization.

1383555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92245.

The product of its digits is 9000, while the sum is 30.

The square root of 1383555 is about 1176.2461477089. The cubic root of 1383555 is about 111.4291478791.

The spelling of 1383555 in words is "one million, three hundred eighty-three thousand, five hundred fifty-five".