14890638 has 16 divisors (see below), whose sum is σ = 34035840. Its totient is φ = 4254456.

The previous prime is 14890627. The next prime is 14890643. The reversal of 14890638 is 83609841.

It is a super-2 number, since 2×14890638² = 443462200094088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14890596 and 14890605.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 177228 + ... + 177311.

It is an arithmetic number, because the mean of its divisors is an integer number (2127240).

Almost surely, 2^14890638 is an apocalyptic number.

14890638 is an abundant number, since it is smaller than the sum of its proper divisors (19145202).

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

14890638 is a wasteful number, since it uses less digits than its factorization.

14890638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354551.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 14890638 is about 3858.8389445531. The cubic root of 14890638 is about 246.0203896114.

The spelling of 14890638 in words is "fourteen million, eight hundred ninety thousand, six hundred thirty-eight".