1004398 has 8 divisors (see below), whose sum is σ = 1511640. Its totient is φ = 500520.

The previous prime is 1004371. The next prime is 1004401. The reversal of 1004398 is 8934001.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133 + ... + 1423.

It is an arithmetic number, because the mean of its divisors is an integer number (188955).

2^1004398 is an apocalyptic number.

1004398 is a deficient number, since it is larger than the sum of its proper divisors (507242).

1004398 is a wasteful number, since it uses less digits than its factorization.

1004398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1004398 is about 1002.1965875017. The cubic root of 1004398 is about 100.1463856080.

Adding to 1004398 its reverse (8934001), we get a palindrome (9938399).

The spelling of 1004398 in words is "one million, four thousand, three hundred ninety-eight".