19230641 has 8 divisors (see below), whose sum is σ = 20287200. Its totient is φ = 18178560.

The previous prime is 19230623. The next prime is 19230643. The reversal of 19230641 is 14603291.

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-19230641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19230641.

It is not an unprimeable number, because it can be changed into a prime (19230643) 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, 11390 + ... + 12968.

It is an arithmetic number, because the mean of its divisors is an integer number (2535900).

Almost surely, 2^19230641 is an apocalyptic number.

It is an amenable number.

19230641 is a deficient number, since it is larger than the sum of its proper divisors (1056559).

19230641 is a wasteful number, since it uses less digits than its factorization.

19230641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 19230641 is about 4385.2754759536. The cubic root of 19230641 is about 267.9155494290.

The spelling of 19230641 in words is "nineteen million, two hundred thirty thousand, six hundred forty-one".