4499649 has 48 divisors (see below), whose sum is σ = 8346624. Its totient is φ = 2268000.

The previous prime is 4499623. The next prime is 4499659. The reversal of 4499649 is 9469944.

It is not a de Polignac number, because 4499649 - 2⁵ = 4499617 is a prime.

It is a super-2 number, since 2×4499649² = 40493682246402, which contains 22 as substring.

It is a Curzon number.

4499649 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4499659) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29724 + ... + 29874.

It is an arithmetic number, because the mean of its divisors is an integer number (173888).

Almost surely, 2^4499649 is an apocalyptic number.

It is an amenable number.

4499649 is a deficient number, since it is larger than the sum of its proper divisors (3846975).

4499649 is a wasteful number, since it uses less digits than its factorization.

4499649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 215 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 4499649 is about 2121.2376104529. The cubic root of 4499649 is about 165.0920698277.

The spelling of 4499649 in words is "four million, four hundred ninety-nine thousand, six hundred forty-nine".