14409842 has 4 divisors (see below), whose sum is σ = 21614766. Its totient is φ = 7204920.

The previous prime is 14409841. The next prime is 14409851. The reversal of 14409842 is 24890441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13845841 + 564001 = 3721^2 + 751^2 .

It is a junction number, because it is equal to n+sod(n) for n = 14409799 and 14409808.

It is not an unprimeable number, because it can be changed into a prime (14409841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3602459 + ... + 3602462.

Almost surely, 2^14409842 is an apocalyptic number.

14409842 is a deficient number, since it is larger than the sum of its proper divisors (7204924).

14409842 is an equidigital number, since it uses as much as digits as its factorization.

14409842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7204923.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 14409842 is about 3796.0297680603. The cubic root of 14409842 is about 243.3434940817.

It can be divided in two parts, 14409 and 842, that added together give a palindrome (15251).

The spelling of 14409842 in words is "fourteen million, four hundred nine thousand, eight hundred forty-two".