1383541 has 8 divisors (see below), whose sum is σ = 1446584. Its totient is φ = 1321920.

The previous prime is 1383521. The next prime is 1383553. The reversal of 1383541 is 1453831.

1383541 = 40² + 41² + ... + 161².

It can be written as a sum of positive squares in 4 ways, for example, as 2916 + 1380625 = 54^2 + 1175^2 .

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 1383541 - 2⁵ = 1383509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383521) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1951 + ... + 2563.

It is an arithmetic number, because the mean of its divisors is an integer number (180823).

2^1383541 is an apocalyptic number.

It is an amenable number.

1383541 is a deficient number, since it is larger than the sum of its proper divisors (63043).

1383541 is an equidigital number, since it uses as much as digits as its factorization.

1383541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711.

The product of its digits is 1440, while the sum is 25.

The square root of 1383541 is about 1176.2401965585. The cubic root of 1383541 is about 111.4287720324.

The spelling of 1383541 in words is "one million, three hundred eighty-three thousand, five hundred forty-one".