47353839 has 32 divisors (see below), whose sum is σ = 71064000. Its totient is φ = 27847680.

The previous prime is 47353837. The next prime is 47353843. The reversal of 47353839 is 93835374.

It is a happy number.

It is not a de Polignac number, because 47353839 - 2¹ = 47353837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47353839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47353837) 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 31 ways as a sum of consecutive naturals, for example, 168379 + ... + 168659.

It is an arithmetic number, because the mean of its divisors is an integer number (2220750).

Almost surely, 2^47353839 is an apocalyptic number.

47353839 is a deficient number, since it is larger than the sum of its proper divisors (23710161).

47353839 is a wasteful number, since it uses less digits than its factorization.

47353839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475.

The product of its digits is 272160, while the sum is 42.

The square root of 47353839 is about 6881.4125730114. The cubic root of 47353839 is about 361.7859784126.

The spelling of 47353839 in words is "forty-seven million, three hundred fifty-three thousand, eight hundred thirty-nine".