1000345 has 8 divisors (see below), whose sum is σ = 1221120. Its totient is φ = 786480.

The previous prime is 1000333. The next prime is 1000357. The reversal of 1000345 is 5430001.

It is an interprime number because it is at equal distance from previous prime (1000333) and next prime (1000357).

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

It is not a de Polignac number, because 1000345 - 2⁵ = 1000313 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, 1401 + ... + 1990.

It is an arithmetic number, because the mean of its divisors is an integer number (152640).

2^1000345 is an apocalyptic number.

It is an amenable number.

1000345 is a deficient number, since it is larger than the sum of its proper divisors (220775).

1000345 is an equidigital number, since it uses as much as digits as its factorization.

1000345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3455.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 1000345 is about 1000.1724851244. The cubic root of 1000345 is about 100.0114986778.

Adding to 1000345 its product of nonzero digits (60), we get a triangular number (1000405 = T₁₄₁₄).

Adding to 1000345 its reverse (5430001), we get a palindrome (6430346).

The spelling of 1000345 in words is "one million, three hundred forty-five", and thus it is an aban number.