16419408 has 20 divisors (see below), whose sum is σ = 42416928. Its totient is φ = 5473120.

The previous prime is 16419407. The next prime is 16419419. The reversal of 16419408 is 80491461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16419407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170988 + ... + 171083.

Almost surely, 2^16419408 is an apocalyptic number.

It is an amenable number.

16419408 is an abundant number, since it is smaller than the sum of its proper divisors (25997520).

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

16419408 is a wasteful number, since it uses less digits than its factorization.

16419408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342082 (or 342076 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 16419408 is about 4052.0868697500. The cubic root of 16419408 is about 254.1670011761.

The spelling of 16419408 in words is "sixteen million, four hundred nineteen thousand, four hundred eight".