19836994 has 16 divisors (see below), whose sum is σ = 32876928. Its totient is φ = 8928832.

The previous prime is 19836991. The next prime is 19837003. The reversal of 19836994 is 49963891.

It is not an unprimeable number, because it can be changed into a prime (19836991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11902 + ... + 13465.

It is an arithmetic number, because the mean of its divisors is an integer number (2054808).

Almost surely, 2^19836994 is an apocalyptic number.

19836994 is a deficient number, since it is larger than the sum of its proper divisors (13039934).

19836994 is a wasteful number, since it uses less digits than its factorization.

19836994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25409.

The product of its digits is 419904, while the sum is 49.

The square root of 19836994 is about 4453.8740440206. The cubic root of 19836994 is about 270.7023051452.

The spelling of 19836994 in words is "nineteen million, eight hundred thirty-six thousand, nine hundred ninety-four".