3982686804 has 36 divisors (see below), whose sum is σ = 10161444384. Its totient is φ = 1315153872.

The previous prime is 3982686793. The next prime is 3982686809. The reversal of 3982686804 is 4086862893.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3982686809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 513112 + ... + 520815.

It is an arithmetic number, because the mean of its divisors is an integer number (282262344).

Almost surely, 2^3982686804 is an apocalyptic number.

It is an amenable number.

3982686804 is an abundant number, since it is smaller than the sum of its proper divisors (6178757580).

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

3982686804 is a wasteful number, since it uses less digits than its factorization.

3982686804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034044 (or 1034039 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The square root of 3982686804 is about 63108.5319429948. The cubic root of 3982686804 is about 1585.1074909105.

The spelling of 3982686804 in words is "three billion, nine hundred eighty-two million, six hundred eighty-six thousand, eight hundred four".