16936434 has 12 divisors (see below), whose sum is σ = 36695646. Its totient is φ = 5645472.

The previous prime is 16936427. The next prime is 16936457. The reversal of 16936434 is 43463961.

16936434 is a `hidden beast` number, since 1 + 6 + 9 + 3 + 643 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15233409 + 1703025 = 3903^2 + 1305^2 .

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 470439 + ... + 470474.

Almost surely, 2^16936434 is an apocalyptic number.

16936434 is an abundant number, since it is smaller than the sum of its proper divisors (19759212).

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

16936434 is a wasteful number, since it uses less digits than its factorization.

16936434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940921 (or 940918 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 16936434 is about 4115.3898964740. The cubic root of 16936434 is about 256.8072762663.

The spelling of 16936434 in words is "sixteen million, nine hundred thirty-six thousand, four hundred thirty-four".