1040604398 has 4 divisors (see below), whose sum is σ = 1560906600. Its totient is φ = 520302198.

The previous prime is 1040604379. The next prime is 1040604401. The reversal of 1040604398 is 8934060401.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260151098 + ... + 260151101.

It is an arithmetic number, because the mean of its divisors is an integer number (390226650).

Almost surely, 2^1040604398 is an apocalyptic number.

1040604398 is a deficient number, since it is larger than the sum of its proper divisors (520302202).

1040604398 is an equidigital number, since it uses as much as digits as its factorization.

1040604398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520302201.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 1040604398 is about 32258.4004253156. The cubic root of 1040604398 is about 1013.3556323242.

Adding to 1040604398 its reverse (8934060401), we get a palindrome (9974664799).

The spelling of 1040604398 in words is "one billion, forty million, six hundred four thousand, three hundred ninety-eight".