19940875 has 16 divisors (see below), whose sum is σ = 25268256. Its totient is φ = 15708000.

The previous prime is 19940873. The next prime is 19940911. The reversal of 19940875 is 57804991.

It is not a de Polignac number, because 19940875 - 2¹ = 19940873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19940873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7185 + ... + 9565.

It is an arithmetic number, because the mean of its divisors is an integer number (1579266).

Almost surely, 2^19940875 is an apocalyptic number.

19940875 is a deficient number, since it is larger than the sum of its proper divisors (5327381).

19940875 is an equidigital number, since it uses as much as digits as its factorization.

19940875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463 (or 2453 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 19940875 is about 4465.5206863254. The cubic root of 19940875 is about 271.1740144073.

The spelling of 19940875 in words is "nineteen million, nine hundred forty thousand, eight hundred seventy-five".