49928 has 12 divisors (see below), whose sum is σ = 94815. Its totient is φ = 24648.

The previous prime is 49927. The next prime is 49937. The reversal of 49928 is 82994.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 24964 + 24964 = 158^2 + 158^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=158.

It is a Duffinian number.

Its product of digits (5184) is a multiple of the sum of its prime divisors (81).

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 49894 and 49903.

It is not an unprimeable number, because it can be changed into a prime (49921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 593 + ... + 671.

2⁴⁹⁹²⁸ is an apocalyptic number.

It is an amenable number.

49928 is a deficient number, since it is larger than the sum of its proper divisors (44887).

49928 is an equidigital number, since it uses as much as digits as its factorization.

49928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 81 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 49928 is about 223.4457428549. The cubic root of 49928 is about 36.8226231404.

Multiplying 49928 by its sum of digits (32), we get a square (1597696 = 1264²).

Subtracting from 49928 its product of digits (5184), we obtain a palindrome (44744).

The spelling of 49928 in words is "forty-nine thousand, nine hundred twenty-eight".