14238819 has 12 divisors (see below), whose sum is σ = 23505456. Its totient is φ = 8136432.

The previous prime is 14238799. The next prime is 14238839. The reversal of 14238819 is 91883241.

14238819 = 175² + 176² + ... + 363².

It is an interprime number because it is at equal distance from previous prime (14238799) and next prime (14238839).

It is not a de Polignac number, because 14238819 - 2⁵ = 14238787 is a prime.

It is a super-2 number, since 2×14238819² = 405487933029522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14238839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112944 + ... + 113069.

It is an arithmetic number, because the mean of its divisors is an integer number (1958788).

Almost surely, 2^14238819 is an apocalyptic number.

14238819 is a deficient number, since it is larger than the sum of its proper divisors (9266637).

14238819 is a wasteful number, since it uses less digits than its factorization.

14238819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226026 (or 226023 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 14238819 is about 3773.4359673910. The cubic root of 14238819 is about 242.3769539080.

The spelling of 14238819 in words is "fourteen million, two hundred thirty-eight thousand, eight hundred nineteen".