16242438 has 8 divisors (see below), whose sum is σ = 32484888. Its totient is φ = 5414144.

The previous prime is 16242431. The next prime is 16242469. The reversal of 16242438 is 83424261.

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

16242438 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16242431) 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, 1353531 + ... + 1353542.

It is an arithmetic number, because the mean of its divisors is an integer number (4060611).

Almost surely, 2^16242438 is an apocalyptic number.

16242438 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.

16242438 is a wasteful number, since it uses less digits than its factorization.

16242438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2707078.

The product of its digits is 9216, while the sum is 30.

The square root of 16242438 is about 4030.1908143412. The cubic root of 16242438 is about 253.2505550568.

Adding to 16242438 its reverse (83424261), we get a palindrome (99666699).

The spelling of 16242438 in words is "sixteen million, two hundred forty-two thousand, four hundred thirty-eight".