49381939 has 8 divisors (see below), whose sum is σ = 50830928. Its totient is φ = 47939040.

The previous prime is 49381921. The next prime is 49381961. The reversal of 49381939 is 93918394.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49381939 - 2⁵ = 49381907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49381909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18784 + ... + 21250.

It is an arithmetic number, because the mean of its divisors is an integer number (6353866).

Almost surely, 2^49381939 is an apocalyptic number.

49381939 is a deficient number, since it is larger than the sum of its proper divisors (1448989).

49381939 is a wasteful number, since it uses less digits than its factorization.

49381939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3045.

The product of its digits is 209952, while the sum is 46.

The square root of 49381939 is about 7027.2284010127. The cubic root of 49381939 is about 366.8788811022.

The spelling of 49381939 in words is "forty-nine million, three hundred eighty-one thousand, nine hundred thirty-nine".