4990449 has 8 divisors (see below), whose sum is σ = 6833920. Its totient is φ = 3236976.

The previous prime is 4990441. The next prime is 4990463. The reversal of 4990449 is 9440994.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4990449 - 2³ = 4990441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4990441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22369 + ... + 22590.

It is an arithmetic number, because the mean of its divisors is an integer number (854240).

Almost surely, 2^4990449 is an apocalyptic number.

It is an amenable number.

4990449 is a deficient number, since it is larger than the sum of its proper divisors (1843471).

4990449 is a wasteful number, since it uses less digits than its factorization.

4990449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44999.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 4990449 is about 2233.9312881107. The cubic root of 4990449 is about 170.8886453981. Note that the first 3 decimals are identical.

The spelling of 4990449 in words is "four million, nine hundred ninety thousand, four hundred forty-nine".