16303434 has 16 divisors (see below), whose sum is σ = 37265088. Its totient is φ = 4658112.

The previous prime is 16303429. The next prime is 16303447. The reversal of 16303434 is 43430361.

16303434 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 alternating number because its digits alternate between odd and even.

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, 194047 + ... + 194130.

It is an arithmetic number, because the mean of its divisors is an integer number (2329068).

Almost surely, 2^16303434 is an apocalyptic number.

16303434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16303434 is an abundant number, since it is smaller than the sum of its proper divisors (20961654).

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

16303434 is a wasteful number, since it uses less digits than its factorization.

16303434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388189.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 16303434 is about 4037.7511067425. The cubic root of 16303434 is about 253.5671736678.

Adding to 16303434 its reverse (43430361), we get a palindrome (59733795).

The spelling of 16303434 in words is "sixteen million, three hundred three thousand, four hundred thirty-four".