19994935 has 16 divisors (see below), whose sum is σ = 26357760. Its totient is φ = 14493600.

The previous prime is 19994929. The next prime is 19994951. The reversal of 19994935 is 53949991.

It is not a de Polignac number, because 19994935 - 2³ = 19994927 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2391 + ... + 6760.

It is an arithmetic number, because the mean of its divisors is an integer number (1647360).

Almost surely, 2^19994935 is an apocalyptic number.

19994935 is a deficient number, since it is larger than the sum of its proper divisors (6362825).

19994935 is a wasteful number, since it uses less digits than its factorization.

19994935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9198.

The product of its digits is 393660, while the sum is 49.

The square root of 19994935 is about 4471.5696349269. The cubic root of 19994935 is about 271.4188455162.

The spelling of 19994935 in words is "nineteen million, nine hundred ninety-four thousand, nine hundred thirty-five".