14209998 has 72 divisors (see below), whose sum is σ = 33538344. Its totient is φ = 4007520.

The previous prime is 14209957. The next prime is 14209999. The reversal of 14209998 is 89990241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14209999) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 384036 + ... + 384072.

Almost surely, 2^14209998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14209998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16769172).

14209998 is an abundant number, since it is smaller than the sum of its proper divisors (19328346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14209998 is a wasteful number, since it uses less digits than its factorization.

14209998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 14209998 is about 3769.6150997151. The cubic root of 14209998 is about 242.2133105451.

It can be divided in two parts, 14 and 209998, that added together give a palindrome (210012).

The spelling of 14209998 in words is "fourteen million, two hundred nine thousand, nine hundred ninety-eight".