1082643 has 8 divisors (see below), whose sum is σ = 1448400. Its totient is φ = 719328.

The previous prime is 1082629. The next prime is 1082647. The reversal of 1082643 is 3462801.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1082643 - 2⁶ = 1082579 is a prime.

1082643 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1082647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1173 + ... + 1881.

It is an arithmetic number, because the mean of its divisors is an integer number (181050).

2^1082643 is an apocalyptic number.

1082643 is a deficient number, since it is larger than the sum of its proper divisors (365757).

1082643 is an equidigital number, since it uses as much as digits as its factorization.

1082643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1082643 is about 1040.5013214792. The cubic root of 1082643 is about 102.6821824435.

The spelling of 1082643 in words is "one million, eighty-two thousand, six hundred forty-three".