14789881 has 8 divisors (see below), whose sum is σ = 15823080. Its totient is φ = 13774848.

The previous prime is 14789869. The next prime is 14789903. The reversal of 14789881 is 18898741.

It can be written as a sum of positive squares in 4 ways, for example, as 3767481 + 11022400 = 1941^2 + 3320^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14789881 - 2²³ = 6401273 is a prime.

It is a super-2 number, since 2×14789881² = 437481159988322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14781881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2836 + ... + 6133.

It is an arithmetic number, because the mean of its divisors is an integer number (1977885).

Almost surely, 2^14789881 is an apocalyptic number.

It is an amenable number.

14789881 is a deficient number, since it is larger than the sum of its proper divisors (1033199).

14789881 is an equidigital number, since it uses as much as digits as its factorization.

14789881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9083.

The product of its digits is 129024, while the sum is 46.

The square root of 14789881 is about 3845.7614330585. The cubic root of 14789881 is about 245.4642370991.

The spelling of 14789881 in words is "fourteen million, seven hundred eighty-nine thousand, eight hundred eighty-one".