4172669 has 4 divisors (see below), whose sum is σ = 4196160. Its totient is φ = 4149180.

The previous prime is 4172653. The next prime is 4172681. The reversal of 4172669 is 9662714.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4172669 - 2⁴ = 4172653 is a prime.

It is a super-2 number, since 2×4172669² = 34822333167122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4172639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11477 + ... + 11834.

It is an arithmetic number, because the mean of its divisors is an integer number (1049040).

Almost surely, 2^4172669 is an apocalyptic number.

It is an amenable number.

4172669 is a deficient number, since it is larger than the sum of its proper divisors (23491).

4172669 is a wasteful number, since it uses less digits than its factorization.

4172669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23490.

The product of its digits is 18144, while the sum is 35.

The square root of 4172669 is about 2042.7111885923. The cubic root of 4172669 is about 160.9921295485.

The spelling of 4172669 in words is "four million, one hundred seventy-two thousand, six hundred sixty-nine".