3921064 has 16 divisors (see below), whose sum is σ = 8402400. Its totient is φ = 1680432.

The previous prime is 3921059. The next prime is 3921079. The reversal of 3921064 is 4601293.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34954 + ... + 35065.

It is an arithmetic number, because the mean of its divisors is an integer number (525150).

Almost surely, 2^3921064 is an apocalyptic number.

It is an amenable number.

3921064 is an abundant number, since it is smaller than the sum of its proper divisors (4481336).

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

3921064 is a wasteful number, since it uses less digits than its factorization.

3921064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70032 (or 70028 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 3921064 is about 1980.1676696684. The cubic root of 3921064 is about 157.6889677781.

The spelling of 3921064 in words is "three million, nine hundred twenty-one thousand, sixty-four".