16424004 has 48 divisors (see below), whose sum is σ = 39989376. Its totient is φ = 5241600.

The previous prime is 16424003. The next prime is 16424027. The reversal of 16424004 is 40042461.

16424004 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16424003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31264 + ... + 31784.

It is an arithmetic number, because the mean of its divisors is an integer number (833112).

Almost surely, 2^16424004 is an apocalyptic number.

It is an amenable number.

16424004 is an abundant number, since it is smaller than the sum of its proper divisors (23565372).

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

16424004 is a wasteful number, since it uses less digits than its factorization.

16424004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 16424004 is about 4052.6539452561. The cubic root of 16424004 is about 254.1907138166.

Adding to 16424004 its reverse (40042461), we get a palindrome (56466465).

The spelling of 16424004 in words is "sixteen million, four hundred twenty-four thousand, four".