3950837856 has 216 divisors, whose sum is σ = 13554875880. Its totient is φ = 1128701952.

The previous prime is 3950837809. The next prime is 3950837861. The reversal of 3950837856 is 6587380593.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (216).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 375840 + ... + 386208.

It is an arithmetic number, because the mean of its divisors is an integer number (62754055).

Almost surely, 2^3950837856 is an apocalyptic number.

3950837856 is a gapful number since it is divisible by the number (36) 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 3950837856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6777437940).

3950837856 is an abundant number, since it is smaller than the sum of its proper divisors (9604038024).

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

3950837856 is a wasteful number, since it uses less digits than its factorization.

3950837856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10408 (or 10381 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The square root of 3950837856 is about 62855.6907208886. The cubic root of 3950837856 is about 1580.8708887864.

The spelling of 3950837856 in words is "three billion, nine hundred fifty million, eight hundred thirty-seven thousand, eight hundred fifty-six".