4489949 has 4 divisors (see below), whose sum is σ = 4496736. Its totient is φ = 4483164.

The previous prime is 4489943. The next prime is 4489967. The reversal of 4489949 is 9499844.

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 not a de Polignac number, because 4489949 - 2¹² = 4485853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4489943) 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, 2279 + ... + 3764.

It is an arithmetic number, because the mean of its divisors is an integer number (1124184).

Almost surely, 2^4489949 is an apocalyptic number.

It is an amenable number.

4489949 is a deficient number, since it is larger than the sum of its proper divisors (6787).

4489949 is an equidigital number, since it uses as much as digits as its factorization.

4489949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6786.

The product of its digits is 373248, while the sum is 47.

The square root of 4489949 is about 2118.9499758135. The cubic root of 4489949 is about 164.9733535176.

The spelling of 4489949 in words is "four million, four hundred eighty-nine thousand, nine hundred forty-nine".