1045817398 has 8 divisors (see below), whose sum is σ = 1602103392. Its totient is φ = 511782936.

The previous prime is 1045817387. The next prime is 1045817413. The reversal of 1045817398 is 8937185401.

It is a happy number.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5562765 + ... + 5562952.

It is an arithmetic number, because the mean of its divisors is an integer number (200262924).

Almost surely, 2^1045817398 is an apocalyptic number.

1045817398 is a deficient number, since it is larger than the sum of its proper divisors (556285994).

1045817398 is a wasteful number, since it uses less digits than its factorization.

1045817398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11125766.

The product of its (nonzero) digits is 241920, while the sum is 46.

The square root of 1045817398 is about 32339.1001420881. The cubic root of 1045817398 is about 1015.0449794428.

The spelling of 1045817398 in words is "one billion, forty-five million, eight hundred seventeen thousand, three hundred ninety-eight".