16043434 has 16 divisors (see below), whose sum is σ = 26331840. Its totient is φ = 7270560.

The previous prime is 16043431. The next prime is 16043453. The reversal of 16043434 is 43434061.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16043399 and 16043408.

It is not an unprimeable number, because it can be changed into a prime (16043431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8107 + ... + 9889.

It is an arithmetic number, because the mean of its divisors is an integer number (1645740).

Almost surely, 2^16043434 is an apocalyptic number.

16043434 is a deficient number, since it is larger than the sum of its proper divisors (10288406).

16043434 is a wasteful number, since it uses less digits than its factorization.

16043434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 16043434 is about 4005.4255703982. The cubic root of 16043434 is about 252.2120181772.

Adding to 16043434 its reverse (43434061), we get a palindrome (59477495).

The spelling of 16043434 in words is "sixteen million, forty-three thousand, four hundred thirty-four".