1000394 has 4 divisors (see below), whose sum is σ = 1500594. Its totient is φ = 500196.

The previous prime is 1000393. The next prime is 1000397. The reversal of 1000394 is 4930001.

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., 931225 + 69169 = 965^2 + 263^2 .

It is not an unprimeable number, because it can be changed into a prime (1000393) 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, 250097 + ... + 250100.

2^1000394 is an apocalyptic number.

1000394 is a deficient number, since it is larger than the sum of its proper divisors (500200).

1000394 is an equidigital number, since it uses as much as digits as its factorization.

1000394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500199.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1000394 is about 1000.1969805993. The cubic root of 1000394 is about 100.0131316089.

Adding to 1000394 its reverse (4930001), we get a palindrome (5930395).

The spelling of 1000394 in words is "one million, three hundred ninety-four", and thus it is an aban number.