1383245 has 8 divisors (see below), whose sum is σ = 1704984. Its totient is φ = 1076544.

The previous prime is 1383209. The next prime is 1383287. The reversal of 1383245 is 5423831.

It can be written as a sum of positive squares in 4 ways, for example, as 763876 + 619369 = 874^2 + 787^2 .

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 1383245 - 2⁸ = 1382989 is a prime.

It is a Duffinian number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 3554 + ... + 3923.

It is an arithmetic number, because the mean of its divisors is an integer number (213123).

2^1383245 is an apocalyptic number.

It is an amenable number.

1383245 is a deficient number, since it is larger than the sum of its proper divisors (321739).

1383245 is an equidigital number, since it uses as much as digits as its factorization.

1383245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7519.

The product of its digits is 2880, while the sum is 26.

The square root of 1383245 is about 1176.1143651873. The cubic root of 1383245 is about 111.4208249679.

The spelling of 1383245 in words is "one million, three hundred eighty-three thousand, two hundred forty-five".