1079643 has 8 divisors (see below), whose sum is σ = 1502208. Its totient is φ = 688424.

The previous prime is 1079633. The next prime is 1079647. The reversal of 1079643 is 3469701.

It is a happy number.

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 1079643 - 2¹³ = 1071451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1079643.

It is not an unprimeable number, because it can be changed into a prime (1079647) 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, 7755 + ... + 7892.

It is an arithmetic number, because the mean of its divisors is an integer number (187776).

2^1079643 is an apocalyptic number.

1079643 is a deficient number, since it is larger than the sum of its proper divisors (422565).

1079643 is a wasteful number, since it uses less digits than its factorization.

1079643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15673.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 1079643 is about 1039.0587086397. The cubic root of 1079643 is about 102.5872507138.

The spelling of 1079643 in words is "one million, seventy-nine thousand, six hundred forty-three".