14789561 has 8 divisors (see below), whose sum is σ = 15266664. Its totient is φ = 14318080.

The previous prime is 14789539. The next prime is 14789569. The reversal of 14789561 is 16598741.

It can be written as a sum of positive squares in 4 ways, for example, as 13225 + 14776336 = 115^2 + 3844^2 .

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 14789561 - 2¹⁴ = 14773177 is a prime.

It is a super-2 number, since 2×14789561² = 437462229145442, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14789569) 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, 4301 + ... + 6933.

It is an arithmetic number, because the mean of its divisors is an integer number (1908333).

Almost surely, 2^14789561 is an apocalyptic number.

It is an amenable number.

14789561 is a deficient number, since it is larger than the sum of its proper divisors (477103).

14789561 is a wasteful number, since it uses less digits than its factorization.

14789561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811.

The product of its digits is 60480, while the sum is 41.

The square root of 14789561 is about 3845.7198285887. The cubic root of 14789561 is about 245.4624667644.

The spelling of 14789561 in words is "fourteen million, seven hundred eighty-nine thousand, five hundred sixty-one".