19045914 has 8 divisors (see below), whose sum is σ = 38091840. Its totient is φ = 6348636.

The previous prime is 19045913. The next prime is 19045931. The reversal of 19045914 is 41954091.

It is a sphenic number, since it is the product of 3 distinct primes.

19045914 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (19045913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1587154 + ... + 1587165.

It is an arithmetic number, because the mean of its divisors is an integer number (4761480).

Almost surely, 2^19045914 is an apocalyptic number.

19045914 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19045914 is a wasteful number, since it uses less digits than its factorization.

19045914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3174324.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 19045914 is about 4364.1624626038. The cubic root of 19045914 is about 267.0549340600.

The spelling of 19045914 in words is "nineteen million, forty-five thousand, nine hundred fourteen".