47935189 has 4 divisors (see below), whose sum is σ = 50754924. Its totient is φ = 45115456.

The previous prime is 47935171. The next prime is 47935193. The reversal of 47935189 is 98153974.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44756100 + 3179089 = 6690^2 + 1783^2 .

It is a cyclic number.

It is not a de Polignac number, because 47935189 - 2¹⁹ = 47410901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47933189) 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 3 ways as a sum of consecutive naturals, for example, 1409842 + ... + 1409875.

It is an arithmetic number, because the mean of its divisors is an integer number (12688731).

Almost surely, 2^47935189 is an apocalyptic number.

It is an amenable number.

47935189 is a deficient number, since it is larger than the sum of its proper divisors (2819735).

47935189 is a wasteful number, since it uses less digits than its factorization.

47935189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819734.

The product of its digits is 272160, while the sum is 46.

The square root of 47935189 is about 6923.5243193044. The cubic root of 47935189 is about 363.2604762779.

The spelling of 47935189 in words is "forty-seven million, nine hundred thirty-five thousand, one hundred eighty-nine".