13824489 has 8 divisors (see below), whose sum is σ = 21065920. Its totient is φ = 7899696.

The previous prime is 13824487. The next prime is 13824511. The reversal of 13824489 is 98442831.

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

It is not a de Polignac number, because 13824489 - 2¹ = 13824487 is a prime.

It is a super-2 number, since 2×13824489² = 382232992222242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13824487) 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, 329134 + ... + 329175.

It is an arithmetic number, because the mean of its divisors is an integer number (2633240).

Almost surely, 2^13824489 is an apocalyptic number.

It is an amenable number.

13824489 is a deficient number, since it is larger than the sum of its proper divisors (7241431).

13824489 is an equidigital number, since it uses as much as digits as its factorization.

13824489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658319.

The product of its digits is 55296, while the sum is 39.

The square root of 13824489 is about 3718.1297718073. The cubic root of 13824489 is about 240.0028298277.

The spelling of 13824489 in words is "thirteen million, eight hundred twenty-four thousand, four hundred eighty-nine".