3981321174 has 8 divisors (see below), whose sum is σ = 7962642360. Its totient is φ = 1327107056.

The previous prime is 3981321139. The next prime is 3981321191. The reversal of 3981321174 is 4711231893.

It is a sphenic number, since it is the product of 3 distinct primes.

3981321174 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331776759 + ... + 331776770.

It is an arithmetic number, because the mean of its divisors is an integer number (995330295).

Almost surely, 2^3981321174 is an apocalyptic number.

3981321174 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3981321174 is a wasteful number, since it uses less digits than its factorization.

3981321174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663553534.

The product of its digits is 36288, while the sum is 39.

The square root of 3981321174 is about 63097.7113214101. The cubic root of 3981321174 is about 1584.9262968312.

The spelling of 3981321174 in words is "three billion, nine hundred eighty-one million, three hundred twenty-one thousand, one hundred seventy-four".