1163398 has 4 divisors (see below), whose sum is σ = 1745100. Its totient is φ = 581698.

The previous prime is 1163353. The next prime is 1163417. The reversal of 1163398 is 8933611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8933611 = 31 ⋅288181.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 290848 + ... + 290851.

It is an arithmetic number, because the mean of its divisors is an integer number (436275).

2^1163398 is an apocalyptic number.

1163398 is a deficient number, since it is larger than the sum of its proper divisors (581702).

1163398 is an equidigital number, since it uses as much as digits as its factorization.

1163398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581701.

The product of its digits is 3888, while the sum is 31.

The square root of 1163398 is about 1078.6092897801. The cubic root of 1163398 is about 105.1742533628.

The spelling of 1163398 in words is "one million, one hundred sixty-three thousand, three hundred ninety-eight".