3926695808 has 64 divisors (see below), whose sum is σ = 8999761920. Its totient is φ = 1671667200.

The previous prime is 3926695807. The next prime is 3926695823. The reversal of 3926695808 is 8085966293.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3926695807) 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, 120785 + ... + 149807.

It is an arithmetic number, because the mean of its divisors is an integer number (140621280).

Almost surely, 2^3926695808 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 3926695808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4499880960).

3926695808 is an abundant number, since it is smaller than the sum of its proper divisors (5073066112).

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

3926695808 is a wasteful number, since it uses less digits than its factorization.

3926695808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29195 (or 29183 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 56.

The square root of 3926695808 is about 62663.3529904042. The cubic root of 3926695808 is about 1577.6442766601.

The spelling of 3926695808 in words is "three billion, nine hundred twenty-six million, six hundred ninety-five thousand, eight hundred eight".