987654322 has 8 divisors (see below), whose sum is σ = 1483596972. Its totient is φ = 493122000.

The previous prime is 987654319. The next prime is 987654323. The reversal of 987654322 is 223456789.

It can be written as a sum of positive squares in 2 ways, for example, as 979752601 + 7901721 = 31301^2 + 2811^2 .

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

It is a super-2 number, since 2×987654322² = 1950922119530559368, which contains 22 as substring.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (987654323) 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 3 ways as a sum of consecutive naturals, for example, 350829 + ... + 353632.

Almost surely, 2^987654322 is an apocalyptic number.

987654322 is a deficient number, since it is larger than the sum of its proper divisors (495942650).

987654322 is a wasteful number, since it uses less digits than its factorization.

987654322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705164.

The product of its digits is 725760, while the sum is 46.

The square root of 987654322 is about 31426.9680688418. The cubic root of 987654322 is about 995.8677217974.

The spelling of 987654322 in words is "nine hundred eighty-seven million, six hundred fifty-four thousand, three hundred twenty-two".