1115679398 has 8 divisors (see below), whose sum is σ = 1727503680. Its totient is φ = 539844840.

The previous prime is 1115679391. The next prime is 1115679427. The reversal of 1115679398 is 8939765111.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115679391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8997353 + ... + 8997476.

It is an arithmetic number, because the mean of its divisors is an integer number (215937960).

Almost surely, 2^1115679398 is an apocalyptic number.

1115679398 is a deficient number, since it is larger than the sum of its proper divisors (611824282).

1115679398 is a wasteful number, since it uses less digits than its factorization.

1115679398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17994862.

The product of its digits is 408240, while the sum is 50.

The square root of 1115679398 is about 33401.7873473861. The cubic root of 1115679398 is about 1037.1617006665.

The spelling of 1115679398 in words is "one billion, one hundred fifteen million, six hundred seventy-nine thousand, three hundred ninety-eight".