14809397 has 8 divisors (see below), whose sum is σ = 15938712. Its totient is φ = 13708800.

The previous prime is 14809391. The next prime is 14809427. The reversal of 14809397 is 79390841.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 323761 + 14485636 = 569^2 + 3806^2 .

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

It is not a de Polignac number, because 14809397 - 2⁸ = 14809141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14809391) 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, 6104 + ... + 8177.

It is an arithmetic number, because the mean of its divisors is an integer number (1992339).

Almost surely, 2^14809397 is an apocalyptic number.

14809397 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

14809397 is a deficient number, since it is larger than the sum of its proper divisors (1129315).

14809397 is a wasteful number, since it uses less digits than its factorization.

14809397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14359.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 14809397 is about 3848.2979354515. The cubic root of 14809397 is about 245.5721571584.

The spelling of 14809397 in words is "fourteen million, eight hundred nine thousand, three hundred ninety-seven".