4213966 has 4 divisors (see below), whose sum is σ = 6320952. Its totient is φ = 2106982.

The previous prime is 4213949. The next prime is 4213969. The reversal of 4213966 is 6693124.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4213969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053490 + ... + 1053493.

It is an arithmetic number, because the mean of its divisors is an integer number (1580238).

Almost surely, 2^4213966 is an apocalyptic number.

4213966 is a deficient number, since it is larger than the sum of its proper divisors (2106986).

4213966 is a wasteful number, since it uses less digits than its factorization.

4213966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106985.

The product of its digits is 7776, while the sum is 31.

The square root of 4213966 is about 2052.7946804296. The cubic root of 4213966 is about 161.5215012253.

The spelling of 4213966 in words is "four million, two hundred thirteen thousand, nine hundred sixty-six".