4569949 has 4 divisors (see below), whose sum is σ = 4574236. Its totient is φ = 4565664.

The previous prime is 4569941. The next prime is 4569959. The reversal of 4569949 is 9499654.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9499654 = 2 ⋅4749827.

It can be written as a sum of positive squares in 2 ways, for example, as 2340900 + 2229049 = 1530^2 + 1493^2 .

It is a cyclic number.

It is not a de Polignac number, because 4569949 - 2³ = 4569941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4569899 and 4569908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4569941) 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, 847 + ... + 3139.

It is an arithmetic number, because the mean of its divisors is an integer number (1143559).

Almost surely, 2^4569949 is an apocalyptic number.

It is an amenable number.

4569949 is a deficient number, since it is larger than the sum of its proper divisors (4287).

4569949 is a wasteful number, since it uses less digits than its factorization.

4569949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4286.

The product of its digits is 349920, while the sum is 46.

The square root of 4569949 is about 2137.7439042130. The cubic root of 4569949 is about 165.9473995049.

The spelling of 4569949 in words is "four million, five hundred sixty-nine thousand, nine hundred forty-nine".