1000346 has 4 divisors (see below), whose sum is σ = 1500522. Its totient is φ = 500172.

The previous prime is 1000333. The next prime is 1000357. The reversal of 1000346 is 6430001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 525625 + 474721 = 725^2 + 689^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1000346.

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 as a sum of consecutive naturals, namely, 250085 + ... + 250088.

2^1000346 is an apocalyptic number.

1000346 is a deficient number, since it is larger than the sum of its proper divisors (500176).

1000346 is an equidigital number, since it uses as much as digits as its factorization.

1000346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500175.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1000346 is about 1000.1729850381. The cubic root of 1000346 is about 100.0115320034.

Adding to 1000346 its reverse (6430001), we get a palindrome (7430347).

The spelling of 1000346 in words is "one million, three hundred forty-six", and thus it is an aban number.