19936834 has 4 divisors (see below), whose sum is σ = 29905254. Its totient is φ = 9968416.

The previous prime is 19936823. The next prime is 19936843. The reversal of 19936834 is 43863991.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15327225 + 4609609 = 3915^2 + 2147^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4984207 + ... + 4984210.

Almost surely, 2^19936834 is an apocalyptic number.

19936834 is a deficient number, since it is larger than the sum of its proper divisors (9968420).

19936834 is an equidigital number, since it uses as much as digits as its factorization.

19936834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9968419.

The product of its digits is 139968, while the sum is 43.

The square root of 19936834 is about 4465.0681965677. The cubic root of 19936834 is about 271.1556954482.

The spelling of 19936834 in words is "nineteen million, nine hundred thirty-six thousand, eight hundred thirty-four".