19247842 has 16 divisors (see below), whose sum is σ = 30726432. Its totient is φ = 9011520.

The previous prime is 19247831. The next prime is 19247843. The reversal of 19247842 is 24874291.

It is not an unprimeable number, because it can be changed into a prime (19247843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5833 + ... + 8515.

It is an arithmetic number, because the mean of its divisors is an integer number (1920402).

Almost surely, 2^19247842 is an apocalyptic number.

19247842 is a deficient number, since it is larger than the sum of its proper divisors (11478590).

19247842 is a wasteful number, since it uses less digits than its factorization.

19247842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2913.

The product of its digits is 32256, while the sum is 37.

The square root of 19247842 is about 4387.2362598793. The cubic root of 19247842 is about 267.9954053567.

The spelling of 19247842 in words is "nineteen million, two hundred forty-seven thousand, eight hundred forty-two".