1153984893 has 32 divisors (see below), whose sum is σ = 1675900800. Its totient is φ = 703872000.

The previous prime is 1153984883. The next prime is 1153984901. The reversal of 1153984893 is 3984893511.

It is not a de Polignac number, because 1153984893 - 2⁵ = 1153984861 is a prime.

It is a super-2 number, since 2×1153984893² = 2663362266544442898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153984873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 233593 + ... + 238481.

It is an arithmetic number, because the mean of its divisors is an integer number (52371900).

Almost surely, 2^1153984893 is an apocalyptic number.

It is an amenable number.

1153984893 is a deficient number, since it is larger than the sum of its proper divisors (521915907).

1153984893 is a wasteful number, since it uses less digits than its factorization.

1153984893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5053.

The product of its digits is 933120, while the sum is 51.

The square root of 1153984893 is about 33970.3531480025. The cubic root of 1153984893 is about 1048.8982829717.

The spelling of 1153984893 in words is "one billion, one hundred fifty-three million, nine hundred eighty-four thousand, eight hundred ninety-three".