19498242 has 8 divisors (see below), whose sum is σ = 38996496. Its totient is φ = 6499412.

The previous prime is 19498231. The next prime is 19498249. The reversal of 19498242 is 24289491.

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

19498242 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 19498242.

It is not an unprimeable number, because it can be changed into a prime (19498249) 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, 1624848 + ... + 1624859.

It is an arithmetic number, because the mean of its divisors is an integer number (4874562).

Almost surely, 2^19498242 is an apocalyptic number.

19498242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19498242 is a wasteful number, since it uses less digits than its factorization.

19498242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3249712.

The product of its digits is 41472, while the sum is 39.

The square root of 19498242 is about 4415.6813743747. The cubic root of 19498242 is about 269.1525417393.

The spelling of 19498242 in words is "nineteen million, four hundred ninety-eight thousand, two hundred forty-two".