3947799384 has 192 divisors, whose sum is σ = 11502691200. Its totient is φ = 1267612416.

The previous prime is 3947799353. The next prime is 3947799407. The reversal of 3947799384 is 4839977493.

It is a congruent number.

It is an unprimeable number.

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 in 47 ways as a sum of consecutive naturals, for example, 6937852 + ... + 6938420.

It is an arithmetic number, because the mean of its divisors is an integer number (59909850).

Almost surely, 2^3947799384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3947799384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5751345600).

3947799384 is an abundant number, since it is smaller than the sum of its proper divisors (7554891816).

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

3947799384 is a wasteful number, since it uses less digits than its factorization.

3947799384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716 (or 700 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 63.

The square root of 3947799384 is about 62831.5158499300. The cubic root of 3947799384 is about 1580.4655179069.

The spelling of 3947799384 in words is "three billion, nine hundred forty-seven million, seven hundred ninety-nine thousand, three hundred eighty-four".