16434636 has 36 divisors (see below), whose sum is σ = 39031272. Its totient is φ = 5382144.

The previous prime is 16434629. The next prime is 16434641. The reversal of 16434636 is 63643461.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 16434597 and 16434606.

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, 63820 + ... + 64076.

It is an arithmetic number, because the mean of its divisors is an integer number (1084202).

Almost surely, 2^16434636 is an apocalyptic number.

It is an amenable number.

16434636 is an abundant number, since it is smaller than the sum of its proper divisors (22596636).

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

16434636 is a wasteful number, since it uses less digits than its factorization.

16434636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 335 counting only the distinct ones).

The product of its digits is 31104, while the sum is 33.

The square root of 16434636 is about 4053.9654660591. The cubic root of 16434636 is about 254.2455516974.

The spelling of 16434636 in words is "sixteen million, four hundred thirty-four thousand, six hundred thirty-six".