16287408 has 60 divisors (see below), whose sum is σ = 47989240. Its totient is φ = 5142528.

The previous prime is 16287407. The next prime is 16287413. The reversal of 16287408 is 80478261.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16287407) 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 11 ways as a sum of consecutive naturals, for example, 241 + ... + 5712.

Almost surely, 2^16287408 is an apocalyptic number.

16287408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16287408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23994620).

16287408 is an abundant number, since it is smaller than the sum of its proper divisors (31701832).

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

16287408 is a wasteful number, since it uses less digits than its factorization.

16287408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5986 (or 5977 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 16287408 is about 4035.7660982768. The cubic root of 16287408 is about 253.4840623478.

The spelling of 16287408 in words is "sixteen million, two hundred eighty-seven thousand, four hundred eight".