16323408 has 30 divisors (see below), whose sum is σ = 45683274. Its totient is φ = 5441088.

The previous prime is 16323407. The next prime is 16323409. The reversal of 16323408 is 80432361.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16323407) and next prime (16323409).

It can be written as a sum of positive squares in only one way, i.e., 9290304 + 7033104 = 3048^2 + 2652^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16323407) 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 5 ways as a sum of consecutive naturals, for example, 56535 + ... + 56822.

Almost surely, 2^16323408 is an apocalyptic number.

16323408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16323408 is an abundant number, since it is smaller than the sum of its proper divisors (29359866).

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

16323408 is a wasteful number, since it uses less digits than its factorization.

16323408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113371 (or 113362 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 16323408 is about 4040.2237561798. The cubic root of 16323408 is about 253.6706832267.

Adding to 16323408 its reverse (80432361), we get a palindrome (96755769).

The spelling of 16323408 in words is "sixteen million, three hundred twenty-three thousand, four hundred eight".