3947574216 has 128 divisors (see below), whose sum is σ = 11050300800. Its totient is φ = 1167851520.

The previous prime is 3947574209. The next prime is 3947574229. The reversal of 3947574216 is 6124757493.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1867176 + ... + 1869288.

It is an arithmetic number, because the mean of its divisors is an integer number (86330475).

Almost surely, 2^3947574216 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 3947574216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5525150400).

3947574216 is an abundant number, since it is smaller than the sum of its proper divisors (7102726584).

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

3947574216 is a wasteful number, since it uses less digits than its factorization.

3947574216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399 (or 2395 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 48.

The square root of 3947574216 is about 62829.7239847510. The cubic root of 3947574216 is about 1580.4354693498.

The spelling of 3947574216 in words is "three billion, nine hundred forty-seven million, five hundred seventy-four thousand, two hundred sixteen".