3981232000 has 64 divisors (see below), whose sum is σ = 9898377840. Its totient is φ = 1592486400.

The previous prime is 3981231959. The next prime is 3981232019. The reversal of 3981232000 is 2321893.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 3981232000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108414 + ... + 140413.

Almost surely, 2^3981232000 is an apocalyptic number.

It is an amenable number.

3981232000 is an abundant number, since it is smaller than the sum of its proper divisors (5917145840).

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

3981232000 is an equidigital number, since it uses as much as digits as its factorization.

3981232000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248856 (or 248834 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 3981232000 is about 63097.0046832653. The cubic root of 3981232000 is about 1584.9144636343.

Adding to 3981232000 its reverse (2321893), we get a palindrome (3983553893).

The spelling of 3981232000 in words is "three billion, nine hundred eighty-one million, two hundred thirty-two thousand".