987724246 has 8 divisors (see below), whose sum is σ = 1482117120. Its totient is φ = 493685208.

The previous prime is 987724229. The next prime is 987724247. The reversal of 987724246 is 642427789.

It is a happy number.

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

It is a super-2 number, since 2×987724246² = 1951198372272537032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 987724246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987724247) 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, 81366 + ... + 92713.

It is an arithmetic number, because the mean of its divisors is an integer number (185264640).

Almost surely, 2^987724246 is an apocalyptic number.

987724246 is a deficient number, since it is larger than the sum of its proper divisors (494392874).

987724246 is a wasteful number, since it uses less digits than its factorization.

987724246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176918.

The product of its digits is 1354752, while the sum is 49.

The square root of 987724246 is about 31428.0805331792. The cubic root of 987724246 is about 995.8912230737.

The spelling of 987724246 in words is "nine hundred eighty-seven million, seven hundred twenty-four thousand, two hundred forty-six".