47438833 has 8 divisors (see below), whose sum is σ = 51372776. Its totient is φ = 43545600.

The previous prime is 47438827. The next prime is 47438837. The reversal of 47438833 is 33883474.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 200704 + 47238129 = 448^2 + 6873^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47438833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47438837) 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 7 ways as a sum of consecutive naturals, for example, 7728 + ... + 12433.

It is an arithmetic number, because the mean of its divisors is an integer number (6421597).

Almost surely, 2^47438833 is an apocalyptic number.

It is an amenable number.

47438833 is a deficient number, since it is larger than the sum of its proper divisors (3933943).

47438833 is a wasteful number, since it uses less digits than its factorization.

47438833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20355.

The product of its digits is 193536, while the sum is 40.

The square root of 47438833 is about 6887.5854259675. The cubic root of 47438833 is about 362.0023020111.

The spelling of 47438833 in words is "forty-seven million, four hundred thirty-eight thousand, eight hundred thirty-three".