49998939 has 16 divisors (see below), whose sum is σ = 69510144. Its totient is φ = 31932000.

The previous prime is 49998931. The next prime is 49998947. The reversal of 49998939 is 93989994.

It is an interprime number because it is at equal distance from previous prime (49998931) and next prime (49998947).

It is not a de Polignac number, because 49998939 - 2³ = 49998931 is a prime.

It is a super-2 number, since 2×49998939² = 4999787802251442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49998931) 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 15 ways as a sum of consecutive naturals, for example, 6732 + ... + 12054.

It is an arithmetic number, because the mean of its divisors is an integer number (4344384).

Almost surely, 2^49998939 is an apocalyptic number.

49998939 is a deficient number, since it is larger than the sum of its proper divisors (19511205).

49998939 is a wasteful number, since it uses less digits than its factorization.

49998939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5458.

The product of its digits is 5668704, while the sum is 60.

The square root of 49998939 is about 7070.9927874380. The cubic root of 49998939 is about 368.4005440073.

The spelling of 49998939 in words is "forty-nine million, nine hundred ninety-eight thousand, nine hundred thirty-nine".