1382321 has 16 divisors (see below), whose sum is σ = 1571328. Its totient is φ = 1209600.

The previous prime is 1382309. The next prime is 1382327. The reversal of 1382321 is 1232831.

1382321 = T₂₈₃ + T₂₈₄ + ... + T₃₁₃.

It is a cyclic number.

It is not a de Polignac number, because 1382321 - 2¹⁰ = 1381297 is a prime.

It is a super-2 number, since 2×1382321² = 3821622694082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1382293 and 1382302.

It is not an unprimeable number, because it can be changed into a prime (1382327) 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 15 ways as a sum of consecutive naturals, for example, 22631 + ... + 22691.

It is an arithmetic number, because the mean of its divisors is an integer number (98208).

2^1382321 is an apocalyptic number.

It is an amenable number.

1382321 is a deficient number, since it is larger than the sum of its proper divisors (189007).

1382321 is a wasteful number, since it uses less digits than its factorization.

1382321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152.

The product of its digits is 288, while the sum is 20.

The square root of 1382321 is about 1175.7214806237. The cubic root of 1382321 is about 111.3960099436.

The spelling of 1382321 in words is "one million, three hundred eighty-two thousand, three hundred twenty-one".