16896438 has 80 divisors (see below), whose sum is σ = 41713056. Its totient is φ = 5080320.

The previous prime is 16896413. The next prime is 16896443. The reversal of 16896438 is 83469861.

It is a junction number, because it is equal to n+sod(n) for n = 16896393 and 16896402.

It is a congruent number.

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 39 ways as a sum of consecutive naturals, for example, 149470 + ... + 149582.

Almost surely, 2^16896438 is an apocalyptic number.

16896438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16896438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20856528).

16896438 is an abundant number, since it is smaller than the sum of its proper divisors (24816618).

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

16896438 is a wasteful number, since it uses less digits than its factorization.

16896438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 202 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 16896438 is about 4110.5277033490. The cubic root of 16896438 is about 256.6049637101.

The spelling of 16896438 in words is "sixteen million, eight hundred ninety-six thousand, four hundred thirty-eight".