16838238 has 8 divisors (see below), whose sum is σ = 33676488. Its totient is φ = 5612744.

The previous prime is 16838233. The next prime is 16838251. The reversal of 16838238 is 83283861.

It is a sphenic number, since it is the product of 3 distinct primes.

16838238 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 16838196 and 16838205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16838233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1403181 + ... + 1403192.

It is an arithmetic number, because the mean of its divisors is an integer number (4209561).

Almost surely, 2^16838238 is an apocalyptic number.

16838238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16838238 is a wasteful number, since it uses less digits than its factorization.

16838238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806378.

The product of its digits is 55296, while the sum is 39.

The square root of 16838238 is about 4103.4422135568. The cubic root of 16838238 is about 256.3099984038.

The spelling of 16838238 in words is "sixteen million, eight hundred thirty-eight thousand, two hundred thirty-eight".