1006345 has 8 divisors (see below), whose sum is σ = 1237320. Its totient is φ = 785280.

The previous prime is 1006339. The next prime is 1006351. The reversal of 1006345 is 5436001.

It is an interprime number because it is at equal distance from previous prime (1006339) and next prime (1006351).

It can be written as a sum of positive squares in 4 ways, for example, as 145161 + 861184 = 381^2 + 928^2 .

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

It is not a de Polignac number, because 1006345 - 2³ = 1006337 is a prime.

It is an unprimeable number.

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, 2250 + ... + 2659.

It is an arithmetic number, because the mean of its divisors is an integer number (154665).

2^1006345 is an apocalyptic number.

It is an amenable number.

1006345 is a deficient number, since it is larger than the sum of its proper divisors (230975).

1006345 is an equidigital number, since it uses as much as digits as its factorization.

1006345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4955.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1006345 is about 1003.1674835241. The cubic root of 1006345 is about 100.2110542477.

The spelling of 1006345 in words is "one million, six thousand, three hundred forty-five".