47453238 has 48 divisors (see below), whose sum is σ = 118404000. Its totient is φ = 13454208.

The previous prime is 47453227. The next prime is 47453261. The reversal of 47453238 is 83235474.

It is a happy number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 15888 + ... + 18636.

It is an arithmetic number, because the mean of its divisors is an integer number (2466750).

Almost surely, 2^47453238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47453238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59202000).

47453238 is an abundant number, since it is smaller than the sum of its proper divisors (70950762).

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

47453238 is a wasteful number, since it uses less digits than its factorization.

47453238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901 (or 2898 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 47453238 is about 6888.6310686522. The cubic root of 47453238 is about 362.0389394739.

The spelling of 47453238 in words is "forty-seven million, four hundred fifty-three thousand, two hundred thirty-eight".