4129285 has 4 divisors (see below), whose sum is σ = 4955148. Its totient is φ = 3303424.

The previous prime is 4129243. The next prime is 4129309. The reversal of 4129285 is 5829214.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5829214 = 2 ⋅2914607.

It can be written as a sum of positive squares in 2 ways, for example, as 568516 + 3560769 = 754^2 + 1887^2 .

It is a cyclic number.

It is not a de Polignac number, because 4129285 - 2⁷ = 4129157 is a prime.

It is a super-2 number, since 2×4129285² = 34101989222450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412924 + ... + 412933.

It is an arithmetic number, because the mean of its divisors is an integer number (1238787).

Almost surely, 2^4129285 is an apocalyptic number.

It is an amenable number.

4129285 is a deficient number, since it is larger than the sum of its proper divisors (825863).

4129285 is an equidigital number, since it uses as much as digits as its factorization.

4129285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825862.

The product of its digits is 5760, while the sum is 31.

The square root of 4129285 is about 2032.0642214261. The cubic root of 4129285 is about 160.4322297451.

The spelling of 4129285 in words is "four million, one hundred twenty-nine thousand, two hundred eighty-five".