1383331 has 2 divisors, whose sum is σ = 1383332. Its totient is φ = 1383330.

The previous prime is 1383323. The next prime is 1383359. The reversal of 1383331 is 1333831.

It is a weak prime.

It is an emirp because it is prime and its reverse (1333831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1383331 - 2³ = 1383323 is a prime.

It is a super-2 number, since 2×1383331² = 3827209311122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1383301) 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 as a sum of consecutive naturals, namely, 691665 + 691666.

It is an arithmetic number, because the mean of its divisors is an integer number (691666).

2^1383331 is an apocalyptic number.

1383331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1383331 is an equidigital number, since it uses as much as digits as its factorization.

1383331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 22.

The square root of 1383331 is about 1176.1509256894. The cubic root of 1383331 is about 111.4231340292.

The spelling of 1383331 in words is "one million, three hundred eighty-three thousand, three hundred thirty-one".