1383535 has 4 divisors (see below), whose sum is σ = 1660248. Its totient is φ = 1106824.

The previous prime is 1383521. The next prime is 1383553. The reversal of 1383535 is 5353831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1383535 - 2¹¹ = 1381487 is a prime.

It is a Duffinian number.

1383535 is a lucky number.

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, 138349 + ... + 138358.

It is an arithmetic number, because the mean of its divisors is an integer number (415062).

2^1383535 is an apocalyptic number.

1383535 is a deficient number, since it is larger than the sum of its proper divisors (276713).

1383535 is an equidigital number, since it uses as much as digits as its factorization.

1383535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276712.

The product of its digits is 5400, while the sum is 28.

The square root of 1383535 is about 1176.2376460563. The cubic root of 1383535 is about 111.4286109546.

The spelling of 1383535 in words is "one million, three hundred eighty-three thousand, five hundred thirty-five".