3975403216 has 20 divisors (see below), whose sum is σ = 8155423332. Its totient is φ = 1870777856.

The previous prime is 3975403213. The next prime is 3975403249. The reversal of 3975403216 is 6123045793.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2860110400 + 1115292816 = 53480^2 + 33396^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3975403213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7307455 + ... + 7307998.

Almost surely, 2^3975403216 is an apocalyptic number.

It is an amenable number.

3975403216 is an abundant number, since it is smaller than the sum of its proper divisors (4180020116).

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

3975403216 is a wasteful number, since it uses less digits than its factorization.

3975403216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14615478 (or 14615472 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 3975403216 is about 63050.7986943861. The cubic root of 3975403216 is about 1584.1406130487.

The spelling of 3975403216 in words is "three billion, nine hundred seventy-five million, four hundred three thousand, two hundred sixteen".