47397 has 16 divisors (see below), whose sum is σ = 75392. Its totient is φ = 25920.

The previous prime is 47389. The next prime is 47407. The reversal of 47397 is 79374.

47397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47397 - 2³ = 47389 is a prime.

It is a Duffinian number.

Its product of digits (5292) is a multiple of the sum of its prime divisors (108).

It is a plaindrome in base 8.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 47397.

It is not an unprimeable number, because it can be changed into a prime (47317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 747 + ... + 807.

It is an arithmetic number, because the mean of its divisors is an integer number (4712).

2⁴⁷³⁹⁷ is an apocalyptic number.

It is an amenable number.

47397 is a deficient number, since it is larger than the sum of its proper divisors (27995).

47397 is a wasteful number, since it uses less digits than its factorization.

47397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108.

The product of its digits is 5292, while the sum is 30.

The square root of 47397 is about 217.7085207336. The cubic root of 47397 is about 36.1895862519.

It can be divided in two parts, 47 and 397, that added together give a palindrome (444).

The spelling of 47397 in words is "forty-seven thousand, three hundred ninety-seven".