7966215 has 16 divisors (see below), whose sum is σ = 14162400. Its totient is φ = 4248576.

The previous prime is 7966207. The next prime is 7966219. The reversal of 7966215 is 5126697.

7966215 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7966215 - 2³ = 7966207 is a prime.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 7966215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7966219) 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, 29370 + ... + 29639.

It is an arithmetic number, because the mean of its divisors is an integer number (885150).

Almost surely, 2^7966215 is an apocalyptic number.

7966215 is a deficient number, since it is larger than the sum of its proper divisors (6196185).

7966215 is a wasteful number, since it uses less digits than its factorization.

7966215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59023 (or 59017 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 7966215 is about 2822.4484051972. The cubic root of 7966215 is about 199.7180610723.

The spelling of 7966215 in words is "seven million, nine hundred sixty-six thousand, two hundred fifteen".