49928938 has 4 divisors (see below), whose sum is σ = 74893410. Its totient is φ = 24964468.

The previous prime is 49928933. The next prime is 49928951. The reversal of 49928938 is 83982994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83982994 = 2 ⋅41991497.

It can be written as a sum of positive squares in only one way, i.e., 28334329 + 21594609 = 5323^2 + 4647^2 .

It is not an unprimeable number, because it can be changed into a prime (49928933) 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 as a sum of consecutive naturals, namely, 12482233 + ... + 12482236.

Almost surely, 2^49928938 is an apocalyptic number.

49928938 is a deficient number, since it is larger than the sum of its proper divisors (24964472).

49928938 is a wasteful number, since it uses less digits than its factorization.

49928938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24964471.

The product of its digits is 1119744, while the sum is 52.

The square root of 49928938 is about 7066.0411830105. The cubic root of 49928938 is about 368.2285373516.

The spelling of 49928938 in words is "forty-nine million, nine hundred twenty-eight thousand, nine hundred thirty-eight".