4990249 has 4 divisors (see below), whose sum is σ = 5443920. Its totient is φ = 4536580.

The previous prime is 4990243. The next prime is 4990259. The reversal of 4990249 is 9420994.

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 4990249 - 2⁷ = 4990121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4990243) 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, 226819 + ... + 226840.

It is an arithmetic number, because the mean of its divisors is an integer number (1360980).

Almost surely, 2^4990249 is an apocalyptic number.

It is an amenable number.

4990249 is a deficient number, since it is larger than the sum of its proper divisors (453671).

4990249 is a wasteful number, since it uses less digits than its factorization.

4990249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453670.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 4990249 is about 2233.8865235280. The cubic root of 4990249 is about 170.8863624916.

The spelling of 4990249 in words is "four million, nine hundred ninety thousand, two hundred forty-nine".