19963241 has 8 divisors (see below), whose sum is σ = 21024960. Its totient is φ = 18917712.

The previous prime is 19963231. The next prime is 19963259. The reversal of 19963241 is 14236991.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19963241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19963201) 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, 1475 + ... + 6488.

It is an arithmetic number, because the mean of its divisors is an integer number (2628120).

Almost surely, 2^19963241 is an apocalyptic number.

It is an amenable number.

19963241 is a deficient number, since it is larger than the sum of its proper divisors (1061719).

19963241 is a wasteful number, since it uses less digits than its factorization.

19963241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8095.

The product of its digits is 11664, while the sum is 35.

The square root of 19963241 is about 4468.0242837299. The cubic root of 19963241 is about 271.2753608771.

The spelling of 19963241 in words is "nineteen million, nine hundred sixty-three thousand, two hundred forty-one".