48439381 has 8 divisors (see below), whose sum is σ = 49208544. Its totient is φ = 47674800.

The previous prime is 48439343. The next prime is 48439393. The reversal of 48439381 is 18393484.

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 48439381 - 2⁹ = 48438869 is a prime.

It is a super-2 number, since 2×48439381² = 4692747263326322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48431381) 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 7 ways as a sum of consecutive naturals, for example, 24531 + ... + 26431.

It is an arithmetic number, because the mean of its divisors is an integer number (6151068).

Almost surely, 2^48439381 is an apocalyptic number.

It is an amenable number.

48439381 is a deficient number, since it is larger than the sum of its proper divisors (769163).

48439381 is a wasteful number, since it uses less digits than its factorization.

48439381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291.

The product of its digits is 82944, while the sum is 40.

The square root of 48439381 is about 6959.8405872549. The cubic root of 48439381 is about 364.5296524945.

The spelling of 48439381 in words is "forty-eight million, four hundred thirty-nine thousand, three hundred eighty-one".