47835138 has 32 divisors (see below), whose sum is σ = 103320000. Its totient is φ = 14677056.

The previous prime is 47835107. The next prime is 47835167. The reversal of 47835138 is 83153874.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47835096 and 47835105.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 38308 + ... + 39536.

It is an arithmetic number, because the mean of its divisors is an integer number (3228750).

Almost surely, 2^47835138 is an apocalyptic number.

47835138 is an abundant number, since it is smaller than the sum of its proper divisors (55484862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47835138 is a wasteful number, since it uses less digits than its factorization.

47835138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746.

The product of its digits is 80640, while the sum is 39.

The square root of 47835138 is about 6916.2951064858. The cubic root of 47835138 is about 363.0075661136.

The spelling of 47835138 in words is "forty-seven million, eight hundred thirty-five thousand, one hundred thirty-eight".