19995104 has 12 divisors (see below), whose sum is σ = 39365424. Its totient is φ = 9997536.

The previous prime is 19995103. The next prime is 19995113. The reversal of 19995104 is 40159991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19995103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312392 + ... + 312455.

It is an arithmetic number, because the mean of its divisors is an integer number (3280452).

Almost surely, 2^19995104 is an apocalyptic number.

It is an amenable number.

19995104 is a deficient number, since it is larger than the sum of its proper divisors (19370320).

19995104 is an equidigital number, since it uses as much as digits as its factorization.

19995104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624857 (or 624849 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 38.

The square root of 19995104 is about 4471.5885320544. The cubic root of 19995104 is about 271.4196102041.

The spelling of 19995104 in words is "nineteen million, nine hundred ninety-five thousand, one hundred four".