4285557 has 12 divisors (see below), whose sum is σ = 6255340. Its totient is φ = 2827008.

The previous prime is 4285549. The next prime is 4285559. The reversal of 4285557 is 7555824.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3437316 + 848241 = 1854^2 + 921^2 .

It is not a de Polignac number, because 4285557 - 2³ = 4285549 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 (4285559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1582 + ... + 3327.

Almost surely, 2^4285557 is an apocalyptic number.

It is an amenable number.

4285557 is a deficient number, since it is larger than the sum of its proper divisors (1969783).

4285557 is a wasteful number, since it uses less digits than its factorization.

4285557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5012 (or 5009 counting only the distinct ones).

The product of its digits is 56000, while the sum is 36.

The square root of 4285557 is about 2070.1586895695. The cubic root of 4285557 is about 162.4310650410.

The spelling of 4285557 in words is "four million, two hundred eighty-five thousand, five hundred fifty-seven".