4172285 has 8 divisors (see below), whose sum is σ = 5391960. Its totient is φ = 3081024.

The previous prime is 4172279. The next prime is 4172309. The reversal of 4172285 is 5822714.

It can be written as a sum of positive squares in 4 ways, for example, as 196249 + 3976036 = 443^2 + 1994^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4172285 - 2⁸ = 4172029 is a prime.

It is an Ulam number.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 32030 + ... + 32159.

It is an arithmetic number, because the mean of its divisors is an integer number (673995).

Almost surely, 2^4172285 is an apocalyptic number.

It is an amenable number.

4172285 is a deficient number, since it is larger than the sum of its proper divisors (1219675).

4172285 is a wasteful number, since it uses less digits than its factorization.

4172285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64207.

The product of its digits is 4480, while the sum is 29.

The square root of 4172285 is about 2042.6171937003. The cubic root of 4172285 is about 160.9871908331.

Adding to 4172285 its reverse (5822714), we get a palindrome (9994999).

The spelling of 4172285 in words is "four million, one hundred seventy-two thousand, two hundred eighty-five".