19424342 has 16 divisors (see below), whose sum is σ = 33357312. Its totient is φ = 8310120.

The previous prime is 19424329. The next prime is 19424357. The reversal of 19424342 is 24342491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11993 + ... + 13515.

It is an arithmetic number, because the mean of its divisors is an integer number (2084832).

Almost surely, 2^19424342 is an apocalyptic number.

19424342 is a deficient number, since it is larger than the sum of its proper divisors (13932970).

19424342 is a wasteful number, since it uses less digits than its factorization.

19424342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443.

The product of its digits is 6912, while the sum is 29.

The square root of 19424342 is about 4407.3055260556. The cubic root of 19424342 is about 268.8120742137.

The spelling of 19424342 in words is "nineteen million, four hundred twenty-four thousand, three hundred forty-two".