4171966 has 4 divisors (see below), whose sum is σ = 6257952. Its totient is φ = 2085982.

The previous prime is 4171943. The next prime is 4171967. The reversal of 4171966 is 6691714.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6691714 = 2 ⋅3345857.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4171967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1042990 + ... + 1042993.

It is an arithmetic number, because the mean of its divisors is an integer number (1564488).

Almost surely, 2^4171966 is an apocalyptic number.

4171966 is a deficient number, since it is larger than the sum of its proper divisors (2085986).

4171966 is a wasteful number, since it uses less digits than its factorization.

4171966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085985.

The product of its digits is 9072, while the sum is 34.

The square root of 4171966 is about 2042.5391061128. The cubic root of 4171966 is about 160.9830878677.

The spelling of 4171966 in words is "four million, one hundred seventy-one thousand, nine hundred sixty-six".