1006385 has 8 divisors (see below), whose sum is σ = 1213056. Its totient is φ = 801520.

The previous prime is 1006367. The next prime is 1006391. The reversal of 1006385 is 5836001.

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

It is not a de Polignac number, because 1006385 - 2¹² = 1002289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1006385.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1922 + ... + 2388.

It is an arithmetic number, because the mean of its divisors is an integer number (151632).

2^1006385 is an apocalyptic number.

It is an amenable number.

1006385 is a deficient number, since it is larger than the sum of its proper divisors (206671).

1006385 is an equidigital number, since it uses as much as digits as its factorization.

1006385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1006385 is about 1003.1874201763. The cubic root of 1006385 is about 100.2123819531.

The spelling of 1006385 in words is "one million, six thousand, three hundred eighty-five".