3826939720 has 32 divisors (see below), whose sum is σ = 9063806400. Its totient is φ = 1450208448.

The previous prime is 3826939687. The next prime is 3826939723. The reversal of 3826939720 is 279396283.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3826939723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2516964 + ... + 2518483.

It is an arithmetic number, because the mean of its divisors is an integer number (283243950).

Almost surely, 2^3826939720 is an apocalyptic number.

It is an amenable number.

3826939720 is an abundant number, since it is smaller than the sum of its proper divisors (5236866680).

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

3826939720 is a wasteful number, since it uses less digits than its factorization.

3826939720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5035477 (or 5035473 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 3826939720 is about 61862.2641034096. The cubic root of 3826939720 is about 1564.1697181748.

The spelling of 3826939720 in words is "three billion, eight hundred twenty-six million, nine hundred thirty-nine thousand, seven hundred twenty".