4215966 has 16 divisors (see below), whose sum is σ = 8928144. Its totient is φ = 1322624.

The previous prime is 4215941. The next prime is 4215971. The reversal of 4215966 is 6695124.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20565 + ... + 20768.

It is an arithmetic number, because the mean of its divisors is an integer number (558009).

Almost surely, 2^4215966 is an apocalyptic number.

4215966 is an abundant number, since it is smaller than the sum of its proper divisors (4712178).

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

4215966 is a wasteful number, since it uses less digits than its factorization.

4215966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41355.

The product of its digits is 12960, while the sum is 33.

The square root of 4215966 is about 2053.2817634217. The cubic root of 4215966 is about 161.5470505463.

The spelling of 4215966 in words is "four million, two hundred fifteen thousand, nine hundred sixty-six".