3948926520 has 256 divisors, whose sum is σ = 15280358400. Its totient is φ = 792207360.

The previous prime is 3948926519. The next prime is 3948926591. The reversal of 3948926520 is 256298493.

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 3948926520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 260592 + ... + 275328.

It is an arithmetic number, because the mean of its divisors is an integer number (59688900).

Almost surely, 2^3948926520 is an apocalyptic number.

3948926520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3948926520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7640179200).

3948926520 is an abundant number, since it is smaller than the sum of its proper divisors (11331431880).

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

3948926520 is a wasteful number, since it uses less digits than its factorization.

3948926520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14798 (or 14794 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 3948926520 is about 62840.4847212368. The cubic root of 3948926520 is about 1580.6159164707.

The spelling of 3948926520 in words is "three billion, nine hundred forty-eight million, nine hundred twenty-six thousand, five hundred twenty".