1004394 has 32 divisors (see below), whose sum is σ = 2185920. Its totient is φ = 306432.

The previous prime is 1004371. The next prime is 1004401. The reversal of 1004394 is 4934001.

It is a self number, because there is not a number n which added to its sum of digits gives 1004394.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4272 + ... + 4500.

It is an arithmetic number, because the mean of its divisors is an integer number (68310).

2^1004394 is an apocalyptic number.

1004394 is an abundant number, since it is smaller than the sum of its proper divisors (1181526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1004394 is a wasteful number, since it uses less digits than its factorization.

1004394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1004394 is about 1002.1945918832. The cubic root of 1004394 is about 100.1462526640.

Adding to 1004394 its reverse (4934001), we get a palindrome (5938395).

The spelling of 1004394 in words is "one million, four thousand, three hundred ninety-four".