3948781914 has 240 divisors, whose sum is σ = 11512803456. Its totient is φ = 999734400.

The previous prime is 3948781909. The next prime is 3948781927. The reversal of 3948781914 is 4191878493.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 3579487 + ... + 3580589.

Almost surely, 2^3948781914 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3948781914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5756401728).

3948781914 is an abundant number, since it is smaller than the sum of its proper divisors (7564021542).

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

3948781914 is a wasteful number, since it uses less digits than its factorization.

3948781914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183 (or 1167 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 3948781914 is about 62839.3341307815. The cubic root of 3948781914 is about 1580.5966226758.

The spelling of 3948781914 in words is "three billion, nine hundred forty-eight million, seven hundred eighty-one thousand, nine hundred fourteen".