4169906 has 20 divisors (see below), whose sum is σ = 6868902. Its totient is φ = 1898208.

The previous prime is 4169849. The next prime is 4169909. The reversal of 4169906 is 6099614.

It can be written as a sum of positive squares in 5 ways, for example, as 502681 + 3667225 = 709^2 + 1915^2 .

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (4169909) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 57086 + ... + 57158.

Almost surely, 2^4169906 is an apocalyptic number.

4169906 is a deficient number, since it is larger than the sum of its proper divisors (2698996).

4169906 is an frugal number, since it uses more digits than its factorization.

4169906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 4169906 is about 2042.0347695375. The cubic root of 4169906 is about 160.9565871917.

The spelling of 4169906 in words is "four million, one hundred sixty-nine thousand, nine hundred six".