19286242 has 8 divisors (see below), whose sum is σ = 29195100. Its totient is φ = 9554544.

The previous prime is 19286237. The next prime is 19286243. The reversal of 19286242 is 24268291.

It can be written as a sum of positive squares in 2 ways, for example, as 16818201 + 2468041 = 4101^2 + 1571^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 19286198 and 19286207.

It is not an unprimeable number, because it can be changed into a prime (19286243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44017 + ... + 44452.

Almost surely, 2^19286242 is an apocalyptic number.

19286242 is a deficient number, since it is larger than the sum of its proper divisors (9908858).

19286242 is a wasteful number, since it uses less digits than its factorization.

19286242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88580.

The product of its digits is 13824, while the sum is 34.

The square root of 19286242 is about 4391.6104107719. The cubic root of 19286242 is about 268.1735064916.

The spelling of 19286242 in words is "nineteen million, two hundred eighty-six thousand, two hundred forty-two".