987632193 has 24 divisors (see below), whose sum is σ = 1381270944. Its totient is φ = 627549120.

The previous prime is 987632183. The next prime is 987632249. The reversal of 987632193 is 391236789.

It is not a de Polignac number, because 987632193 - 2¹² = 987628097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (987632183) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190605 + ... + 195717.

It is an arithmetic number, because the mean of its divisors is an integer number (57552956).

Almost surely, 2^987632193 is an apocalyptic number.

987632193 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

It is an amenable number.

987632193 is a deficient number, since it is larger than the sum of its proper divisors (393638751).

987632193 is a wasteful number, since it uses less digits than its factorization.

987632193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5245 (or 5214 counting only the distinct ones).

The product of its digits is 489888, while the sum is 48.

The square root of 987632193 is about 31426.6159966357. The cubic root of 987632193 is about 995.8602840664.

The spelling of 987632193 in words is "nine hundred eighty-seven million, six hundred thirty-two thousand, one hundred ninety-three".