4557949 has 12 divisors (see below), whose sum is σ = 5064640. Its totient is φ = 4098600.

The previous prime is 4557941. The next prime is 4557977. The reversal of 4557949 is 9497554.

It is a happy number.

It is not a de Polignac number, because 4557949 - 2³ = 4557941 is a prime.

It is a Duffinian number.

Its product of digits (226800) is a multiple of the sum of its prime factors (432).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4557941) 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, 16684 + ... + 16954.

Almost surely, 2^4557949 is an apocalyptic number.

It is an amenable number.

4557949 is a deficient number, since it is larger than the sum of its proper divisors (506691).

4557949 is a wasteful number, since it uses less digits than its factorization.

4557949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432 (or 421 counting only the distinct ones).

The product of its digits is 226800, while the sum is 43.

The square root of 4557949 is about 2134.9353620192. The cubic root of 4557949 is about 165.8020211974.

The spelling of 4557949 in words is "four million, five hundred fifty-seven thousand, nine hundred forty-nine".