4949999 has 4 divisors (see below), whose sum is σ = 4959240. Its totient is φ = 4940760.

The previous prime is 4949983. The next prime is 4950067. The reversal of 4949999 is 9999494.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4949999 - 2⁴ = 4949983 is a prime.

It is a Duffinian number.

4949999 is a modest number, since divided by 9999 gives 494 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 4949999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4949939) 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, 3764 + ... + 4905.

It is an arithmetic number, because the mean of its divisors is an integer number (1239810).

Almost surely, 2^4949999 is an apocalyptic number.

4949999 is a deficient number, since it is larger than the sum of its proper divisors (9241).

4949999 is an equidigital number, since it uses as much as digits as its factorization.

4949999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9240.

The product of its digits is 944784, while the sum is 53.

The square root of 4949999 is about 2224.8593213954. The cubic root of 4949999 is about 170.4256806094.

The spelling of 4949999 in words is "four million, nine hundred forty-nine thousand, nine hundred ninety-nine".