4173309 has 32 divisors (see below), whose sum is σ = 7188480. Its totient is φ = 2343600.

The previous prime is 4173287. The next prime is 4173311. The reversal of 4173309 is 9033714.

It is not a de Polignac number, because 4173309 - 2⁵ = 4173277 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4173319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13264 + ... + 13574.

It is an arithmetic number, because the mean of its divisors is an integer number (224640).

Almost surely, 2^4173309 is an apocalyptic number.

It is an amenable number.

4173309 is a deficient number, since it is larger than the sum of its proper divisors (3015171).

4173309 is a wasteful number, since it uses less digits than its factorization.

4173309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 4173309 is about 2042.8678371348. The cubic root of 4173309 is about 161.0003600676. Note that the first 3 decimals are identical.

The spelling of 4173309 in words is "four million, one hundred seventy-three thousand, three hundred nine".