4172385 has 32 divisors (see below), whose sum is σ = 7741440. Its totient is φ = 1879488.

The previous prime is 4172369. The next prime is 4172417. The reversal of 4172385 is 5832714.

It is not a de Polignac number, because 4172385 - 2⁴ = 4172369 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8044 + ... + 8546.

It is an arithmetic number, because the mean of its divisors is an integer number (241920).

Almost surely, 2^4172385 is an apocalyptic number.

It is an amenable number.

4172385 is a deficient number, since it is larger than the sum of its proper divisors (3569055).

4172385 is a wasteful number, since it uses less digits than its factorization.

4172385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597.

The product of its digits is 6720, while the sum is 30.

The square root of 4172385 is about 2042.6416719533. The cubic root of 4172385 is about 160.9884769861.

The spelling of 4172385 in words is "four million, one hundred seventy-two thousand, three hundred eighty-five".