16204434 has 16 divisors (see below), whose sum is σ = 34315488. Its totient is φ = 5083712.

The previous prime is 16204429. The next prime is 16204453. The reversal of 16204434 is 43440261.

16204434 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79332 + ... + 79535.

It is an arithmetic number, because the mean of its divisors is an integer number (2144718).

Almost surely, 2^16204434 is an apocalyptic number.

16204434 is an abundant number, since it is smaller than the sum of its proper divisors (18111054).

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

16204434 is a wasteful number, since it uses less digits than its factorization.

16204434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158889.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 16204434 is about 4025.4731398930. The cubic root of 16204434 is about 253.0528825491.

Adding to 16204434 its reverse (43440261), we get a palindrome (59644695).

The spelling of 16204434 in words is "sixteen million, two hundred four thousand, four hundred thirty-four".