16380234 has 24 divisors (see below), whose sum is σ = 38221092. Its totient is φ = 5040000.

The previous prime is 16380191. The next prime is 16380253. The reversal of 16380234 is 43208361.

It is a happy number.

16380234 is a `hidden beast` number, since 1 + 638 + 0 + 23 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16378209 + 2025 = 4047^2 + 45^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16380198 and 16380207.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34767 + ... + 35234.

Almost surely, 2^16380234 is an apocalyptic number.

16380234 is an abundant number, since it is smaller than the sum of its proper divisors (21840858).

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

16380234 is a wasteful number, since it uses less digits than its factorization.

16380234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70022 (or 70019 counting only the distinct ones).

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

The square root of 16380234 is about 4047.2501775897. The cubic root of 16380234 is about 253.9647066923.

Adding to 16380234 its reverse (43208361), we get a palindrome (59588595).

The spelling of 16380234 in words is "sixteen million, three hundred eighty thousand, two hundred thirty-four".