16343838 has 48 divisors (see below), whose sum is σ = 42606720. Its totient is φ = 4423248.

The previous prime is 16343837. The next prime is 16343839. The reversal of 16343838 is 83834361.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16343837) and next prime (16343839).

It is an alternating number because its digits alternate between odd and even.

16343838 is a modest number, since divided by 3838 gives 1634 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16343837) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1020 + ... + 5807.

It is an arithmetic number, because the mean of its divisors is an integer number (887640).

Almost surely, 2^16343838 is an apocalyptic number.

16343838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16343838 is an abundant number, since it is smaller than the sum of its proper divisors (26262882).

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

16343838 is a wasteful number, since it uses less digits than its factorization.

16343838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6861 (or 6858 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 16343838 is about 4042.7512908909. The cubic root of 16343838 is about 253.7764685600.

The spelling of 16343838 in words is "sixteen million, three hundred forty-three thousand, eight hundred thirty-eight".