4197806 has 4 divisors (see below), whose sum is σ = 6296712. Its totient is φ = 2098902.

The previous prime is 4197797. The next prime is 4197821. The reversal of 4197806 is 6087914.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049450 + ... + 1049453.

It is an arithmetic number, because the mean of its divisors is an integer number (1574178).

Almost surely, 2^4197806 is an apocalyptic number.

4197806 is a deficient number, since it is larger than the sum of its proper divisors (2098906).

4197806 is a wasteful number, since it uses less digits than its factorization.

4197806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098905.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 4197806 is about 2048.8548020785. The cubic root of 4197806 is about 161.3147655627.

The spelling of 4197806 in words is "four million, one hundred ninety-seven thousand, eight hundred six".