16424436 has 96 divisors (see below), whose sum is σ = 47416320. Its totient is φ = 4320000.

The previous prime is 16424423. The next prime is 16424449. The reversal of 16424436 is 63442461.

It is an interprime number because it is at equal distance from previous prime (16424423) and next prime (16424449).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65311 + ... + 65561.

It is an arithmetic number, because the mean of its divisors is an integer number (493920).

Almost surely, 2^16424436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16424436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23708160).

16424436 is an abundant number, since it is smaller than the sum of its proper divisors (30991884).

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

16424436 is a wasteful number, since it uses less digits than its factorization.

16424436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 323 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 16424436 is about 4052.7072433128. The cubic root of 16424436 is about 254.1929424536.

Adding to 16424436 its reverse (63442461), we get a palindrome (79866897).

It can be divided in two parts, 16 and 424436, that multiplied together give a palindrome (6790976).

The spelling of 16424436 in words is "sixteen million, four hundred twenty-four thousand, four hundred thirty-six".