49984949 has 6 divisors (see below), whose sum is σ = 58145814. Its totient is φ = 42844200.

The previous prime is 49984939. The next prime is 49984967. The reversal of 49984949 is 94948994.

It can be written as a sum of positive squares in only one way, i.e., 49984900 + 49 = 7070^2 + 7^2 .

It is not a de Polignac number, because 49984949 - 2¹⁶ = 49919413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49984894 and 49984903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49984939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 510002 + ... + 510099.

It is an arithmetic number, because the mean of its divisors is an integer number (9690969).

Almost surely, 2^49984949 is an apocalyptic number.

49984949 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

49984949 is a deficient number, since it is larger than the sum of its proper divisors (8160865).

49984949 is a wasteful number, since it uses less digits than its factorization.

49984949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020115 (or 1020108 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 56.

The square root of 49984949 is about 7070.0034653457. The cubic root of 49984949 is about 368.3661805822.

It can be divided in two parts, 499849 and 49, that multiplied together give a square (24492601 = 4949²).

The spelling of 49984949 in words is "forty-nine million, nine hundred eighty-four thousand, nine hundred forty-nine".