11839471 has 16 divisors (see below), whose sum is σ = 13939200. Its totient is φ = 9847008.

The previous prime is 11839469. The next prime is 11839481. The reversal of 11839471 is 17493811.

It is a cyclic number.

It is not a de Polignac number, because 11839471 - 2¹ = 11839469 is a prime.

It is a super-3 number, since 3×11839471³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11839481) 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, 44886 + ... + 45148.

It is an arithmetic number, because the mean of its divisors is an integer number (871200).

Almost surely, 2^11839471 is an apocalyptic number.

11839471 is a deficient number, since it is larger than the sum of its proper divisors (2099729).

11839471 is a wasteful number, since it uses less digits than its factorization.

11839471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438.

The product of its digits is 6048, while the sum is 34.

The square root of 11839471 is about 3440.8532372073. The cubic root of 11839471 is about 227.9173741335.

The spelling of 11839471 in words is "eleven million, eight hundred thirty-nine thousand, four hundred seventy-one".