19740950 has 12 divisors (see below), whose sum is σ = 36718260. Its totient is φ = 7896360.

The previous prime is 19740937. The next prime is 19740971. The reversal of 19740950 is 5904791.

It is a self number, because there is not a number n which added to its sum of digits gives 19740950.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 197360 + ... + 197459.

It is an arithmetic number, because the mean of its divisors is an integer number (3059855).

Almost surely, 2^19740950 is an apocalyptic number.

19740950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19740950 is a deficient number, since it is larger than the sum of its proper divisors (16977310).

19740950 is a wasteful number, since it uses less digits than its factorization.

19740950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394831 (or 394826 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 19740950 is about 4443.0788874383. The cubic root of 19740950 is about 270.2647152327.

The spelling of 19740950 in words is "nineteen million, seven hundred forty thousand, nine hundred fifty".