47239269 has 32 divisors (see below), whose sum is σ = 80664576. Its totient is φ = 23872320.

The previous prime is 47239267. The next prime is 47239273. The reversal of 47239269 is 96293274.

It is a happy number.

It is not a de Polignac number, because 47239269 - 2¹ = 47239267 is a prime.

It is a super-2 number, since 2×47239269² = 4463097071308722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47239269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47239267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5784 + ... + 11310.

It is an arithmetic number, because the mean of its divisors is an integer number (2520768).

Almost surely, 2^47239269 is an apocalyptic number.

It is an amenable number.

47239269 is a deficient number, since it is larger than the sum of its proper divisors (33425307).

47239269 is a wasteful number, since it uses less digits than its factorization.

47239269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5585.

The product of its digits is 163296, while the sum is 42.

The square root of 47239269 is about 6873.0829327166. The cubic root of 47239269 is about 361.4939690497.

The spelling of 47239269 in words is "forty-seven million, two hundred thirty-nine thousand, two hundred sixty-nine".