4285657 has 4 divisors (see below), whose sum is σ = 4423936. Its totient is φ = 4147380.

The previous prime is 4285651. The next prime is 4285661. The reversal of 4285657 is 7565824.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4285657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4285651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69093 + ... + 69154.

It is an arithmetic number, because the mean of its divisors is an integer number (1105984).

Almost surely, 2^4285657 is an apocalyptic number.

It is an amenable number.

4285657 is a deficient number, since it is larger than the sum of its proper divisors (138279).

4285657 is a wasteful number, since it uses less digits than its factorization.

4285657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138278.

The product of its digits is 67200, while the sum is 37.

The square root of 4285657 is about 2070.1828421664. The cubic root of 4285657 is about 162.4323284302.

The spelling of 4285657 in words is "four million, two hundred eighty-five thousand, six hundred fifty-seven".