1000306 has 4 divisors (see below), whose sum is σ = 1500462. Its totient is φ = 500152.

The previous prime is 1000303. The next prime is 1000313. The reversal of 1000306 is 6030001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6030001 = 37 ⋅162973.

It can be written as a sum of positive squares in only one way, i.e., 982081 + 18225 = 991^2 + 135^2 .

It is a super-2 number, since 2×1000306² = 2001224187272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1000292 and 1000301.

It is not an unprimeable number, because it can be changed into a prime (1000303) 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 as a sum of consecutive naturals, namely, 250075 + ... + 250078.

2^1000306 is an apocalyptic number.

1000306 is a deficient number, since it is larger than the sum of its proper divisors (500156).

1000306 is an equidigital number, since it uses as much as digits as its factorization.

1000306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500155.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 1000306 is about 1000.1529882973. The cubic root of 1000306 is about 100.0101989598.

Adding to 1000306 its reverse (6030001), we get a palindrome (7030307).

The spelling of 1000306 in words is "one million, three hundred six", and thus it is an aban number.