47839197 has 16 divisors (see below), whose sum is σ = 73285632. Its totient is φ = 27191280.

The previous prime is 47839193. The next prime is 47839199. The reversal of 47839197 is 79193874.

It is not a de Polignac number, because 47839197 - 2² = 47839193 is a prime.

It is a super-3 number, since 3×47839197³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47839193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1953 + ... + 9974.

It is an arithmetic number, because the mean of its divisors is an integer number (4580352).

Almost surely, 2^47839197 is an apocalyptic number.

It is an amenable number.

47839197 is a deficient number, since it is larger than the sum of its proper divisors (25446435).

47839197 is a wasteful number, since it uses less digits than its factorization.

47839197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12128.

The product of its digits is 381024, while the sum is 48.

The square root of 47839197 is about 6916.5885377113. The cubic root of 47839197 is about 363.0178333641.

The spelling of 47839197 in words is "forty-seven million, eight hundred thirty-nine thousand, one hundred ninety-seven".