47938319 has 16 divisors (see below), whose sum is σ = 56566944. Its totient is φ = 40051200.

The previous prime is 47938313. The next prime is 47938327. The reversal of 47938319 is 91383974.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 47938319 - 2⁸ = 47938063 is a prime.

It is a super-2 number, since 2×47938319² = 4596164857091522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47938319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47938313) 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 15 ways as a sum of consecutive naturals, for example, 39587 + ... + 40779.

It is an arithmetic number, because the mean of its divisors is an integer number (3535434).

Almost surely, 2^47938319 is an apocalyptic number.

47938319 is a deficient number, since it is larger than the sum of its proper divisors (8628625).

47938319 is a wasteful number, since it uses less digits than its factorization.

47938319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498.

The product of its digits is 163296, while the sum is 44.

The square root of 47938319 is about 6923.7503565625. The cubic root of 47938319 is about 363.2683826515.

The spelling of 47938319 in words is "forty-seven million, nine hundred thirty-eight thousand, three hundred nineteen".