19439342 has 16 divisors (see below), whose sum is σ = 31488912. Its totient is φ = 8947200.

The previous prime is 19439339. The next prime is 19439351. The reversal of 19439342 is 24393491.

It is a plaindrome in base 16.

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, 11342 + ... + 12942.

It is an arithmetic number, because the mean of its divisors is an integer number (1968057).

Almost surely, 2^19439342 is an apocalyptic number.

19439342 is a deficient number, since it is larger than the sum of its proper divisors (12049570).

19439342 is a wasteful number, since it uses less digits than its factorization.

19439342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083.

The product of its digits is 23328, while the sum is 35.

The square root of 19439342 is about 4409.0069176630. The cubic root of 19439342 is about 268.8812510510.

The spelling of 19439342 in words is "nineteen million, four hundred thirty-nine thousand, three hundred forty-two".