3967960215 has 16 divisors (see below), whose sum is σ = 6358048128. Its totient is φ = 2113141536.

The previous prime is 3967960211. The next prime is 3967960219. The reversal of 3967960215 is 5120697693.

It is an interprime number because it is at equal distance from previous prime (3967960211) and next prime (3967960219).

It is not a de Polignac number, because 3967960215 - 2² = 3967960211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3967960211) 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, 183409 + ... + 203898.

It is an arithmetic number, because the mean of its divisors is an integer number (397378008).

Almost surely, 2^3967960215 is an apocalyptic number.

3967960215 is a deficient number, since it is larger than the sum of its proper divisors (2390087913).

3967960215 is a wasteful number, since it uses less digits than its factorization.

3967960215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387998.

The product of its (nonzero) digits is 612360, while the sum is 48.

The square root of 3967960215 is about 62991.7471975496. The cubic root of 3967960215 is about 1583.1513527013.

The spelling of 3967960215 in words is "three billion, nine hundred sixty-seven million, nine hundred sixty thousand, two hundred fifteen".