16238416 has 20 divisors (see below), whose sum is σ = 31554900. Its totient is φ = 8095232.

The previous prime is 16238413. The next prime is 16238423. The reversal of 16238416 is 61483261.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5740816 + 10497600 = 2396^2 + 3240^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16238413) 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, 4920 + ... + 7528.

It is an arithmetic number, because the mean of its divisors is an integer number (1577745).

Almost surely, 2^16238416 is an apocalyptic number.

16238416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16238416 is a deficient number, since it is larger than the sum of its proper divisors (15316484).

16238416 is a wasteful number, since it uses less digits than its factorization.

16238416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3006 (or 3000 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 16238416 is about 4029.6917996293. The cubic root of 16238416 is about 253.2296497835.

The spelling of 16238416 in words is "sixteen million, two hundred thirty-eight thousand, four hundred sixteen".