4557609 has 24 divisors (see below), whose sum is σ = 7634432. Its totient is φ = 2566080.

The previous prime is 4557607. The next prime is 4557673. The reversal of 4557609 is 9067554.

4557609 is a `hidden beast` number, since 45 + 5 + 7 + 609 = 666.

It is not a de Polignac number, because 4557609 - 2¹ = 4557607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4557607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4104 + ... + 5094.

Almost surely, 2^4557609 is an apocalyptic number.

It is an amenable number.

4557609 is a deficient number, since it is larger than the sum of its proper divisors (3076823).

4557609 is a wasteful number, since it uses less digits than its factorization.

4557609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077 (or 1074 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 4557609 is about 2134.8557328307. The cubic root of 4557609 is about 165.7978984301.

The spelling of 4557609 in words is "four million, five hundred fifty-seven thousand, six hundred nine".