19941937 has 8 divisors (see below), whose sum is σ = 20969640. Its totient is φ = 18936960.

The previous prime is 19941931. The next prime is 19941953. The reversal of 19941937 is 73914991.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14641 + 19927296 = 121^2 + 4464^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19941937 - 2¹⁹ = 19417649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19941893 and 19941902.

It is not an unprimeable number, because it can be changed into a prime (19941931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3868 + ... + 7405.

It is an arithmetic number, because the mean of its divisors is an integer number (2621205).

Almost surely, 2^19941937 is an apocalyptic number.

It is an amenable number.

19941937 is a deficient number, since it is larger than the sum of its proper divisors (1027703).

19941937 is a wasteful number, since it uses less digits than its factorization.

19941937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11363.

The product of its digits is 61236, while the sum is 43.

The square root of 19941937 is about 4465.6395958474. The cubic root of 19941937 is about 271.1788283333.

The spelling of 19941937 in words is "nineteen million, nine hundred forty-one thousand, nine hundred thirty-seven".