1304398 has 8 divisors (see below), whose sum is σ = 2009592. Its totient is φ = 634536.

The previous prime is 1304389. The next prime is 1304411. The reversal of 1304398 is 8934031.

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, 8740 + ... + 8887.

It is an arithmetic number, because the mean of its divisors is an integer number (251199).

2^1304398 is an apocalyptic number.

1304398 is a deficient number, since it is larger than the sum of its proper divisors (705194).

1304398 is a wasteful number, since it uses less digits than its factorization.

1304398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17666.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1304398 is about 1142.1024472437. The cubic root of 1304398 is about 109.2622253109.

The spelling of 1304398 in words is "one million, three hundred four thousand, three hundred ninety-eight".