47438369 has 8 divisors (see below), whose sum is σ = 52852608. Its totient is φ = 42207760.

The previous prime is 47438341. The next prime is 47438389. The reversal of 47438369 is 96383474.

It is a happy number.

47438369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 47438369 - 2²⁰ = 46389793 is a prime.

It is a super-2 number, since 2×47438369² = 4500797706760322, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47438309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45362 + ... + 46395.

It is an arithmetic number, because the mean of its divisors is an integer number (6606576).

Almost surely, 2^47438369 is an apocalyptic number.

It is an amenable number.

47438369 is a deficient number, since it is larger than the sum of its proper divisors (5414239).

47438369 is a wasteful number, since it uses less digits than its factorization.

47438369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91815.

The product of its digits is 435456, while the sum is 44.

The square root of 47438369 is about 6887.5517420924. The cubic root of 47438369 is about 362.0011217572.

The spelling of 47438369 in words is "forty-seven million, four hundred thirty-eight thousand, three hundred sixty-nine".