48138236 has 6 divisors (see below), whose sum is σ = 84241920. Its totient is φ = 24069116.

The previous prime is 48138197. The next prime is 48138239. The reversal of 48138236 is 63283184.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 48138196 and 48138205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48138239) 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 as a sum of consecutive naturals, namely, 6017276 + ... + 6017283.

It is an arithmetic number, because the mean of its divisors is an integer number (14040320).

Almost surely, 2^48138236 is an apocalyptic number.

It is an amenable number.

48138236 is a deficient number, since it is larger than the sum of its proper divisors (36103684).

48138236 is a wasteful number, since it uses less digits than its factorization.

48138236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12034563 (or 12034561 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 48138236 is about 6938.1723818308. The cubic root of 48138236 is about 363.7726612477.

The spelling of 48138236 in words is "forty-eight million, one hundred thirty-eight thousand, two hundred thirty-six".