16038438 has 24 divisors (see below), whose sum is σ = 34736328. Its totient is φ = 4934592.

The previous prime is 16038437. The next prime is 16038457. The reversal of 16038438 is 83483061.

It is a junction number, because it is equal to n+sod(n) for n = 16038399 and 16038408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16038431) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6895 + ... + 8922.

It is an arithmetic number, because the mean of its divisors is an integer number (1447347).

Almost surely, 2^16038438 is an apocalyptic number.

16038438 is an abundant number, since it is smaller than the sum of its proper divisors (18697890).

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

16038438 is a wasteful number, since it uses less digits than its factorization.

16038438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15848 (or 15835 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 16038438 is about 4004.8018677583. The cubic root of 16038438 is about 252.1858354605.

The spelling of 16038438 in words is "sixteen million, thirty-eight thousand, four hundred thirty-eight".