49383939 has 16 divisors (see below), whose sum is σ = 72034560. Its totient is φ = 29844960.

The previous prime is 49383923. The next prime is 49383941. The reversal of 49383939 is 93938394.

It is not a de Polignac number, because 49383939 - 2⁴ = 49383923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49383959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10914 + ... + 14760.

It is an arithmetic number, because the mean of its divisors is an integer number (4502160).

Almost surely, 2^49383939 is an apocalyptic number.

49383939 is a deficient number, since it is larger than the sum of its proper divisors (22650621).

49383939 is a wasteful number, since it uses less digits than its factorization.

49383939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4250.

The product of its digits is 629856, while the sum is 48.

The square root of 49383939 is about 7027.3707031862. The cubic root of 49383939 is about 366.8838339782.

The spelling of 49383939 in words is "forty-nine million, three hundred eighty-three thousand, nine hundred thirty-nine".