3618401984 has 14 divisors (see below), whose sum is σ = 7180266564. Its totient is φ = 1809200960.

The previous prime is 3618401947. The next prime is 3618401989. The reversal of 3618401984 is 4891048163.

It is not an unprimeable number, because it can be changed into a prime (3618401989) 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 as a sum of consecutive naturals, namely, 28268702 + ... + 28268829.

Almost surely, 2^3618401984 is an apocalyptic number.

It is an amenable number.

3618401984 is a deficient number, since it is larger than the sum of its proper divisors (3561864580).

3618401984 is an equidigital number, since it uses as much as digits as its factorization.

3618401984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56537543 (or 56537533 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 3618401984 is about 60153.1543977537. The cubic root of 3618401984 is about 1535.2258378156.

The spelling of 3618401984 in words is "three billion, six hundred eighteen million, four hundred one thousand, nine hundred eighty-four".