47268439 has 2 divisors, whose sum is σ = 47268440. Its totient is φ = 47268438.

The previous prime is 47268413. The next prime is 47268443. The reversal of 47268439 is 93486274.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47268439 - 2⁵ = 47268407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47268395 and 47268404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47268139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23634219 + 23634220.

It is an arithmetic number, because the mean of its divisors is an integer number (23634220).

Almost surely, 2^47268439 is an apocalyptic number.

47268439 is a deficient number, since it is larger than the sum of its proper divisors (1).

47268439 is an equidigital number, since it uses as much as digits as its factorization.

47268439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 43.

The square root of 47268439 is about 6875.2046514995. The cubic root of 47268439 is about 361.5683606142.

The spelling of 47268439 in words is "forty-seven million, two hundred sixty-eight thousand, four hundred thirty-nine".