3970503218 has 32 divisors (see below), whose sum is σ = 6548022720. Its totient is φ = 1790712000.

The previous prime is 3970503217. The next prime is 3970503259. The reversal of 3970503218 is 8123050793.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3970503217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1666388 + ... + 1668768.

It is an arithmetic number, because the mean of its divisors is an integer number (204625710).

Almost surely, 2^3970503218 is an apocalyptic number.

3970503218 is a deficient number, since it is larger than the sum of its proper divisors (2577519502).

3970503218 is a wasteful number, since it uses less digits than its factorization.

3970503218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2954.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 3970503218 is about 63011.9291721814. The cubic root of 3970503218 is about 1583.4894860385.

The spelling of 3970503218 in words is "three billion, nine hundred seventy million, five hundred three thousand, two hundred eighteen".