19967241 has 16 divisors (see below), whose sum is σ = 30489984. Its totient is φ = 11385984.

The previous prime is 19967203. The next prime is 19967251. The reversal of 19967241 is 14276991.

It is not a de Polignac number, because 19967241 - 2⁶ = 19967177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19967241.

It is not an unprimeable number, because it can be changed into a prime (19967251) 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, 16141 + ... + 17333.

It is an arithmetic number, because the mean of its divisors is an integer number (1905624).

Almost surely, 2^19967241 is an apocalyptic number.

It is an amenable number.

19967241 is a deficient number, since it is larger than the sum of its proper divisors (10522743).

19967241 is a wasteful number, since it uses less digits than its factorization.

19967241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000.

The product of its digits is 27216, while the sum is 39.

The square root of 19967241 is about 4468.4718864507. The cubic root of 19967241 is about 271.2934779917.

The spelling of 19967241 in words is "nineteen million, nine hundred sixty-seven thousand, two hundred forty-one".