48393821 has 12 divisors (see below), whose sum is σ = 58112640. Its totient is φ = 40141080.

The previous prime is 48393811. The next prime is 48393827. The reversal of 48393821 is 12839384.

It is not a de Polignac number, because 48393821 - 2¹⁴ = 48377437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48393827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14411 + ... + 17448.

It is an arithmetic number, because the mean of its divisors is an integer number (4842720).

Almost surely, 2^48393821 is an apocalyptic number.

It is an amenable number.

48393821 is a deficient number, since it is larger than the sum of its proper divisors (9718819).

48393821 is a wasteful number, since it uses less digits than its factorization.

48393821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31904 (or 31897 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 48393821 is about 6956.5667537946. The cubic root of 48393821 is about 364.4153296697.

The spelling of 48393821 in words is "forty-eight million, three hundred ninety-three thousand, eight hundred twenty-one".