19934036 has 24 divisors (see below), whose sum is σ = 35975016. Its totient is φ = 9658880.

The previous prime is 19934003. The next prime is 19934039. The reversal of 19934036 is 63043991.

It can be written as a sum of positive squares in 4 ways, for example, as 309136 + 19624900 = 556^2 + 4430^2 .

It is a junction number, because it is equal to n+sod(n) for n = 19933987 and 19934005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19934039) 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, 32000 + ... + 32616.

It is an arithmetic number, because the mean of its divisors is an integer number (1498959).

Almost surely, 2^19934036 is an apocalyptic number.

It is an amenable number.

19934036 is a deficient number, since it is larger than the sum of its proper divisors (16040980).

19934036 is a wasteful number, since it uses less digits than its factorization.

19934036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859 (or 857 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 19934036 is about 4464.7548644914. The cubic root of 19934036 is about 271.1430098979.

The spelling of 19934036 in words is "nineteen million, nine hundred thirty-four thousand, thirty-six".