363881984 has 40 divisors (see below), whose sum is σ = 732427080. Its totient is φ = 180596736.

The previous prime is 363881981. The next prime is 363882031. The reversal of 363881984 is 489188363.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (363881981) 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, 68612 + ... + 73724.

It is an arithmetic number, because the mean of its divisors is an integer number (18310677).

Almost surely, 2^363881984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 363881984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366213540).

363881984 is an abundant number, since it is smaller than the sum of its proper divisors (368545096).

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

363881984 is an equidigital number, since it uses as much as digits as its factorization.

363881984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5270 (or 5254 counting only the distinct ones).

The product of its digits is 995328, while the sum is 50.

The square root of 363881984 is about 19075.6909180244. The cubic root of 363881984 is about 713.9265251438.

The spelling of 363881984 in words is "three hundred sixty-three million, eight hundred eighty-one thousand, nine hundred eighty-four".