4287157 has 16 divisors (see below), whose sum is σ = 5184000. Its totient is φ = 3539760.

The previous prime is 4287137. The next prime is 4287181. The reversal of 4287157 is 7517824.

It is a happy number.

It is not a de Polignac number, because 4287157 - 2¹⁵ = 4254389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4287137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9732 + ... + 10162.

It is an arithmetic number, because the mean of its divisors is an integer number (324000).

Almost surely, 2^4287157 is an apocalyptic number.

It is an amenable number.

4287157 is a deficient number, since it is larger than the sum of its proper divisors (896843).

4287157 is an equidigital number, since it uses as much as digits as its factorization.

4287157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481 (or 467 counting only the distinct ones).

The product of its digits is 15680, while the sum is 34.

The square root of 4287157 is about 2070.5450973113. The cubic root of 4287157 is about 162.4512769113.

It can be divided in two parts, 4287 and 157, that added together give a palindrome (4444).

The spelling of 4287157 in words is "four million, two hundred eighty-seven thousand, one hundred fifty-seven".