3948420632 has 64 divisors (see below), whose sum is σ = 8127772800. Its totient is φ = 1787235840.

The previous prime is 3948420611. The next prime is 3948420661. The reversal of 3948420632 is 2360248493.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3948420632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1288382 + ... + 1291442.

It is an arithmetic number, because the mean of its divisors is an integer number (126996450).

Almost surely, 2^3948420632 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 3948420632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4063886400).

3948420632 is an abundant number, since it is smaller than the sum of its proper divisors (4179352168).

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

3948420632 is a wasteful number, since it uses less digits than its factorization.

3948420632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3316 (or 3312 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 41.

The square root of 3948420632 is about 62836.4594164885. The cubic root of 3948420632 is about 1580.5484172176.

The spelling of 3948420632 in words is "three billion, nine hundred forty-eight million, four hundred twenty thousand, six hundred thirty-two".