14820385 has 4 divisors (see below), whose sum is σ = 17784468. Its totient is φ = 11856304.

The previous prime is 14820371. The next prime is 14820389. The reversal of 14820385 is 58302841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58302841 = 103 ⋅566047.

It can be written as a sum of positive squares in 2 ways, for example, as 4016016 + 10804369 = 2004^2 + 3287^2 .

It is a cyclic number.

It is not a de Polignac number, because 14820385 - 2⁹ = 14819873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14820389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1482034 + ... + 1482043.

It is an arithmetic number, because the mean of its divisors is an integer number (4446117).

Almost surely, 2^14820385 is an apocalyptic number.

It is an amenable number.

14820385 is a deficient number, since it is larger than the sum of its proper divisors (2964083).

14820385 is an equidigital number, since it uses as much as digits as its factorization.

14820385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964082.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 14820385 is about 3849.7253148764. The cubic root of 14820385 is about 245.6328771589.

The spelling of 14820385 in words is "fourteen million, eight hundred twenty thousand, three hundred eighty-five".