982438551 has 24 divisors (see below), whose sum is σ = 1558209744. Its totient is φ = 616429440.

The previous prime is 982438519. The next prime is 982438553. The reversal of 982438551 is 155834289.

982438551 is a `hidden beast` number, since 98 + 2 + 4 + 3 + 8 + 551 = 666.

It is not a de Polignac number, because 982438551 - 2⁵ = 982438519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 982438497 and 982438506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (982438553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114780 + ... + 123041.

It is an arithmetic number, because the mean of its divisors is an integer number (64925406).

Almost surely, 2^982438551 is an apocalyptic number.

982438551 is a deficient number, since it is larger than the sum of its proper divisors (575771193).

982438551 is a wasteful number, since it uses less digits than its factorization.

982438551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237853 (or 237841 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 982438551 is about 31343.8758133068. The cubic root of 982438551 is about 994.1115782129. Note that the first 3 decimals are identical.

The spelling of 982438551 in words is "nine hundred eighty-two million, four hundred thirty-eight thousand, five hundred fifty-one".