49338921 has 8 divisors (see below), whose sum is σ = 66061440. Its totient is φ = 32754512.

The previous prime is 49338907. The next prime is 49338937. The reversal of 49338921 is 12983394.

49338921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 49338921 - 2⁶ = 49338857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49338921.

It is not an unprimeable number, because it can be changed into a prime (49338941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33690 + ... + 35123.

It is an arithmetic number, because the mean of its divisors is an integer number (8257680).

Almost surely, 2^49338921 is an apocalyptic number.

It is an amenable number.

49338921 is a deficient number, since it is larger than the sum of its proper divisors (16722519).

49338921 is a wasteful number, since it uses less digits than its factorization.

49338921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69055.

The product of its digits is 46656, while the sum is 39.

The square root of 49338921 is about 7024.1669256930. The cubic root of 49338921 is about 366.7723173053.

The spelling of 49338921 in words is "forty-nine million, three hundred thirty-eight thousand, nine hundred twenty-one".