19065950 has 12 divisors (see below), whose sum is σ = 35462760. Its totient is φ = 7626360.

The previous prime is 19065941. The next prime is 19065967. The reversal of 19065950 is 5956091.

It is a self number, because there is not a number n which added to its sum of digits gives 19065950.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 190610 + ... + 190709.

It is an arithmetic number, because the mean of its divisors is an integer number (2955230).

Almost surely, 2^19065950 is an apocalyptic number.

19065950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19065950 is a deficient number, since it is larger than the sum of its proper divisors (16396810).

19065950 is a wasteful number, since it uses less digits than its factorization.

19065950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381331 (or 381326 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 35.

The square root of 19065950 is about 4366.4573741192. The cubic root of 19065950 is about 267.1485470955.

The spelling of 19065950 in words is "nineteen million, sixty-five thousand, nine hundred fifty".