13998408 has 16 divisors (see below), whose sum is σ = 34996080. Its totient is φ = 4666128.

The previous prime is 13998353. The next prime is 13998427. The reversal of 13998408 is 80489931.

It is a self number, because there is not a number n which added to its sum of digits gives 13998408.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 291610 + ... + 291657.

It is an arithmetic number, because the mean of its divisors is an integer number (2187255).

Almost surely, 2^13998408 is an apocalyptic number.

It is an amenable number.

13998408 is an abundant number, since it is smaller than the sum of its proper divisors (20997672).

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

13998408 is a wasteful number, since it uses less digits than its factorization.

13998408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583276 (or 583272 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 13998408 is about 3741.4446407771. Note that the first 3 decimals coincide. The cubic root of 13998408 is about 241.0050904844.

The spelling of 13998408 in words is "thirteen million, nine hundred ninety-eight thousand, four hundred eight".