19740933 has 12 divisors (see below), whose sum is σ = 28555488. Its totient is φ = 13141800.

The previous prime is 19740887. The next prime is 19740937. The reversal of 19740933 is 33904791.

It is not a de Polignac number, because 19740933 - 2⁹ = 19740421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19740937) 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 11 ways as a sum of consecutive naturals, for example, 8416 + ... + 10502.

It is an arithmetic number, because the mean of its divisors is an integer number (2379624).

Almost surely, 2^19740933 is an apocalyptic number.

It is an amenable number.

19740933 is a deficient number, since it is larger than the sum of its proper divisors (8814555).

19740933 is a wasteful number, since it uses less digits than its factorization.

19740933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144 (or 3141 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 19740933 is about 4443.0769743501. The cubic root of 19740933 is about 270.2646376528.

The spelling of 19740933 in words is "nineteen million, seven hundred forty thousand, nine hundred thirty-three".