3906021084 has 36 divisors (see below), whose sum is σ = 10602058824. Its totient is φ = 1116005856.

The previous prime is 3906021059. The next prime is 3906021089. The reversal of 3906021084 is 4801206093.

3906021084 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3906021089) 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, 3320859 + ... + 3322034.

It is an arithmetic number, because the mean of its divisors is an integer number (294501634).

Almost surely, 2^3906021084 is an apocalyptic number.

It is an amenable number.

3906021084 is an abundant number, since it is smaller than the sum of its proper divisors (6696037740).

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

3906021084 is a wasteful number, since it uses less digits than its factorization.

3906021084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6642914 (or 6642905 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 3906021084 is about 62498.1686451691. The cubic root of 3906021084 is about 1574.8705473850.

The spelling of 3906021084 in words is "three billion, nine hundred six million, twenty-one thousand, eighty-four".