19046242 has 4 divisors (see below), whose sum is σ = 28569366. Its totient is φ = 9523120.

The previous prime is 19046219. The next prime is 19046249. The reversal of 19046242 is 24264091.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12187081 + 6859161 = 3491^2 + 2619^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 19046242.

It is not an unprimeable number, because it can be changed into a prime (19046249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4761559 + ... + 4761562.

Almost surely, 2^19046242 is an apocalyptic number.

19046242 is a deficient number, since it is larger than the sum of its proper divisors (9523124).

19046242 is an equidigital number, since it uses as much as digits as its factorization.

19046242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9523123.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 19046242 is about 4364.2000412447. The cubic root of 19046242 is about 267.0564670838.

The spelling of 19046242 in words is "nineteen million, forty-six thousand, two hundred forty-two".