3981179232 has 36 divisors (see below), whose sum is σ = 11321479260. Its totient is φ = 1327059648.

The previous prime is 3981179219. The next prime is 3981179249. The reversal of 3981179232 is 2329711893.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6911482 + ... + 6912057.

It is an arithmetic number, because the mean of its divisors is an integer number (314485535).

Almost surely, 2^3981179232 is an apocalyptic number.

3981179232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3981179232 is an abundant number, since it is smaller than the sum of its proper divisors (7340300028).

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

3981179232 is a wasteful number, since it uses less digits than its factorization.

3981179232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13823555 (or 13823544 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 3981179232 is about 63096.5865320779. The cubic root of 3981179232 is about 1584.9074613516.

The spelling of 3981179232 in words is "three billion, nine hundred eighty-one million, one hundred seventy-nine thousand, two hundred thirty-two".