48938421 has 32 divisors (see below), whose sum is σ = 76861440. Its totient is φ = 27118656.

The previous prime is 48938401. The next prime is 48938443. The reversal of 48938421 is 12483984.

It is not a de Polignac number, because 48938421 - 2⁵ = 48938389 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 48938421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48938401) 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 31 ways as a sum of consecutive naturals, for example, 176535 + ... + 176811.

It is an arithmetic number, because the mean of its divisors is an integer number (2401920).

Almost surely, 2^48938421 is an apocalyptic number.

It is an amenable number.

48938421 is a deficient number, since it is larger than the sum of its proper divisors (27923019).

48938421 is a wasteful number, since it uses less digits than its factorization.

48938421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513.

The product of its digits is 55296, while the sum is 39.

The square root of 48938421 is about 6995.6001172165. The cubic root of 48938421 is about 365.7772166848. Note that the first 3 decimals are identical.

The spelling of 48938421 in words is "forty-eight million, nine hundred thirty-eight thousand, four hundred twenty-one".