987654318 has 32 divisors (see below), whose sum is σ = 2260317696. Its totient is φ = 281834208.

The previous prime is 987654299. The next prime is 987654319. The reversal of 987654318 is 813456789.

It is a super-2 number, since 2×987654318² = 1950922103728090248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987654319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20280 + ... + 48852.

It is an arithmetic number, because the mean of its divisors is an integer number (70634928).

Almost surely, 2^987654318 is an apocalyptic number.

987654318 is an abundant number, since it is smaller than the sum of its proper divisors (1272663378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

987654318 is a wasteful number, since it uses less digits than its factorization.

987654318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29408.

The product of its digits is 1451520, while the sum is 51.

The square root of 987654318 is about 31426.9680052022. The cubic root of 987654318 is about 995.8677204530.

The spelling of 987654318 in words is "nine hundred eighty-seven million, six hundred fifty-four thousand, three hundred eighteen".