4191966 has 32 divisors (see below), whose sum is σ = 9396000. Its totient is φ = 1385280.

The previous prime is 4191953. The next prime is 4191973. The reversal of 4191966 is 6691914.

It is a self number, because there is not a number n which added to its sum of digits gives 4191966.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7786 + ... + 8306.

It is an arithmetic number, because the mean of its divisors is an integer number (293625).

Almost surely, 2^4191966 is an apocalyptic number.

4191966 is an abundant number, since it is smaller than the sum of its proper divisors (5204034).

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

4191966 is a wasteful number, since it uses less digits than its factorization.

4191966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681 (or 675 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 4191966 is about 2047.4291196523. The cubic root of 4191966 is about 161.2399236537.

The spelling of 4191966 in words is "four million, one hundred ninety-one thousand, nine hundred sixty-six".