4173849 has 15 divisors (see below), whose sum is σ = 6262597. Its totient is φ = 2770308.

The previous prime is 4173847. The next prime is 4173853. The reversal of 4173849 is 9483714.

It is a happy number.

The square root of 4173849 is 2043.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 4173849 - 2¹ = 4173847 is a prime.

It is a Duffinian number.

It is a Curzon number.

4173849 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4173847) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 18274 + ... + 18500.

Almost surely, 2^4173849 is an apocalyptic number.

4173849 is the 2043-rd square number.

4173849 is the 1022-nd centered octagonal number.

It is an amenable number.

4173849 is a deficient number, since it is larger than the sum of its proper divisors (2088748).

4173849 is an frugal number, since it uses more digits than its factorization.

4173849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 230 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The cubic root of 4173849 is about 161.0073039136.

Multiplying 4173849 by its sum of digits (36), we get a square (150258564 = 12258²).

The spelling of 4173849 in words is "four million, one hundred seventy-three thousand, eight hundred forty-nine".