4157285 has 16 divisors (see below), whose sum is σ = 5493312. Its totient is φ = 2995200.

The previous prime is 4157269. The next prime is 4157287. The reversal of 4157285 is 5827514.

It is not a de Polignac number, because 4157285 - 2⁴ = 4157269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4157287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6917 + ... + 7493.

It is an arithmetic number, because the mean of its divisors is an integer number (343332).

Almost surely, 2^4157285 is an apocalyptic number.

It is an amenable number.

4157285 is a deficient number, since it is larger than the sum of its proper divisors (1336027).

4157285 is a wasteful number, since it uses less digits than its factorization.

4157285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724.

The product of its digits is 11200, while the sum is 32.

The square root of 4157285 is about 2038.9421276731. The cubic root of 4157285 is about 160.7940346830.

The spelling of 4157285 in words is "four million, one hundred fifty-seven thousand, two hundred eighty-five".