14620409 has 4 divisors (see below), whose sum is σ = 14645904. Its totient is φ = 14594916.

The previous prime is 14620399. The next prime is 14620427. The reversal of 14620409 is 90402641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14620409 - 2⁴ = 14620393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14620429) 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, 11867 + ... + 13040.

It is an arithmetic number, because the mean of its divisors is an integer number (3661476).

Almost surely, 2^14620409 is an apocalyptic number.

It is an amenable number.

14620409 is a deficient number, since it is larger than the sum of its proper divisors (25495).

14620409 is an equidigital number, since it uses as much as digits as its factorization.

14620409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25494.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 14620409 is about 3823.6643419631. The cubic root of 14620409 is about 244.5230705212.

The spelling of 14620409 in words is "fourteen million, six hundred twenty thousand, four hundred nine".