4949 has 6 divisors (see below), whose sum is σ = 5814. Its totient is φ = 4200.

The previous prime is 4943. The next prime is 4951. The reversal of 4949 is 9494.

It can be written as a sum of positive squares in only one way, i.e., 4900 + 49 = 70^2 + 7^2 .

It is not a de Polignac number, because 4949 - 2⁴ = 4933 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

4949 is an undulating number in base 10.

Its product of digits (1296) is a multiple of the sum of its prime divisors (108).

It is a plaindrome in base 11, base 13, base 15 and base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 4949.

It is not an unprimeable number, because it can be changed into a prime (4943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2 + ... + 99.

It is an arithmetic number, because the mean of its divisors is an integer number (969).

2⁴⁹⁴⁹ is an apocalyptic number.

4949 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4949 is a deficient number, since it is larger than the sum of its proper divisors (865).

4949 is a wasteful number, since it uses less digits than its factorization.

4949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 108 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

The square root of 4949 is about 70.3491293478. The cubic root of 4949 is about 17.0414214835.

The spelling of 4949 in words is "four thousand, nine hundred forty-nine".