19242671 has 4 divisors (see below), whose sum is σ = 21991632. Its totient is φ = 16493712.

The previous prime is 19242667. The next prime is 19242709. The reversal of 19242671 is 17624291.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 19242671 - 2² = 19242667 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19242071) 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, 1374470 + ... + 1374483.

It is an arithmetic number, because the mean of its divisors is an integer number (5497908).

Almost surely, 2^19242671 is an apocalyptic number.

19242671 is a deficient number, since it is larger than the sum of its proper divisors (2748961).

19242671 is an equidigital number, since it uses as much as digits as its factorization.

19242671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748960.

The product of its digits is 6048, while the sum is 32.

The square root of 19242671 is about 4386.6468971186. The cubic root of 19242671 is about 267.9714039066.

The spelling of 19242671 in words is "nineteen million, two hundred forty-two thousand, six hundred seventy-one".