19242046 has 8 divisors (see below), whose sum is σ = 28884240. Its totient is φ = 9613968.

The previous prime is 19242029. The next prime is 19242049. The reversal of 19242046 is 64024291.

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

It is a super-2 number, since 2×19242046² = 740512668532232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19242049) 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 3 ways as a sum of consecutive naturals, for example, 1090 + ... + 6298.

It is an arithmetic number, because the mean of its divisors is an integer number (3610530).

Almost surely, 2^19242046 is an apocalyptic number.

19242046 is a deficient number, since it is larger than the sum of its proper divisors (9642194).

19242046 is a wasteful number, since it uses less digits than its factorization.

19242046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7058.

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

The square root of 19242046 is about 4386.5756576172. The cubic root of 19242046 is about 267.9685026472.

The spelling of 19242046 in words is "nineteen million, two hundred forty-two thousand, forty-six".