223980984 has 128 divisors (see below), whose sum is σ = 664372800. Its totient is φ = 69672960.

The previous prime is 223980979. The next prime is 223980989. The reversal of 223980984 is 489089322.

It is an interprime number because it is at equal distance from previous prime (223980979) and next prime (223980989).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223980989) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 664464 + ... + 664800.

Almost surely, 2^223980984 is an apocalyptic number.

223980984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223980984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332186400).

223980984 is an abundant number, since it is smaller than the sum of its proper divisors (440391816).

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

223980984 is a wasteful number, since it uses less digits than its factorization.

223980984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 223980984 is about 14965.9942536405. The cubic root of 223980984 is about 607.3006082412.

The spelling of 223980984 in words is "two hundred twenty-three million, nine hundred eighty thousand, nine hundred eighty-four".