19940675 has 6 divisors (see below), whose sum is σ = 24726468. Its totient is φ = 15952520.

The previous prime is 19940663. The next prime is 19940693. The reversal of 19940675 is 57604991.

It is not a de Polignac number, because 19940675 - 2⁴ = 19940659 is a prime.

It is a Duffinian 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, 398789 + ... + 398838.

It is an arithmetic number, because the mean of its divisors is an integer number (4121078).

Almost surely, 2^19940675 is an apocalyptic number.

19940675 is a deficient number, since it is larger than the sum of its proper divisors (4785793).

19940675 is an equidigital number, since it uses as much as digits as its factorization.

19940675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797637 (or 797632 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 19940675 is about 4465.4982924641. The cubic root of 19940675 is about 271.1731078108.

The spelling of 19940675 in words is "nineteen million, nine hundred forty thousand, six hundred seventy-five".