1118489834 has 64 divisors (see below), whose sum is σ = 2209075200. Its totient is φ = 411480000.

The previous prime is 1118489809. The next prime is 1118489849. The reversal of 1118489834 is 4389848111.

It is a super-2 number, since 2×1118489834² = 2502039017522695112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1488959 + ... + 1489709.

It is an arithmetic number, because the mean of its divisors is an integer number (34516800).

Almost surely, 2^1118489834 is an apocalyptic number.

1118489834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1118489834 is a deficient number, since it is larger than the sum of its proper divisors (1090585366).

1118489834 is a wasteful number, since it uses less digits than its factorization.

1118489834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299.

The product of its digits is 221184, while the sum is 47.

The square root of 1118489834 is about 33443.8310305503. The cubic root of 1118489834 is about 1038.0318528049.

The spelling of 1118489834 in words is "one billion, one hundred eighteen million, four hundred eighty-nine thousand, eight hundred thirty-four".