19242417 has 8 divisors (see below), whose sum is σ = 25683424. Its totient is φ = 12814848.

The previous prime is 19242409. The next prime is 19242439. The reversal of 19242417 is 71424291.

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

It is not a de Polignac number, because 19242417 - 2³ = 19242409 is a prime.

It is a super-2 number, since 2×19242417² = 740541224003778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19242017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678 + ... + 6240.

It is an arithmetic number, because the mean of its divisors is an integer number (3210428).

Almost surely, 2^19242417 is an apocalyptic number.

It is an amenable number.

19242417 is a deficient number, since it is larger than the sum of its proper divisors (6441007).

19242417 is a wasteful number, since it uses less digits than its factorization.

19242417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6719.

The product of its digits is 4032, while the sum is 30.

The square root of 19242417 is about 4386.6179455248. The cubic root of 19242417 is about 267.9702248424.

The spelling of 19242417 in words is "nineteen million, two hundred forty-two thousand, four hundred seventeen".