4488949 has 2 divisors, whose sum is σ = 4488950. Its totient is φ = 4488948.

The previous prime is 4488943. The next prime is 4488961. The reversal of 4488949 is 9498844.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4485924 + 3025 = 2118^2 + 55^2 .

It is a cyclic number.

It is not a de Polignac number, because 4488949 - 2¹³ = 4480757 is a prime.

4488949 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4488899 and 4488908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4488943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2244474 + 2244475.

It is an arithmetic number, because the mean of its divisors is an integer number (2244475).

Almost surely, 2^4488949 is an apocalyptic number.

It is an amenable number.

4488949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4488949 is an equidigital number, since it uses as much as digits as its factorization.

4488949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 46.

The square root of 4488949 is about 2118.7139967443. The cubic root of 4488949 is about 164.9611050041.

The spelling of 4488949 in words is "four million, four hundred eighty-eight thousand, nine hundred forty-nine".