19942316 has 12 divisors (see below), whose sum is σ = 34944840. Its totient is φ = 9958080.

The previous prime is 19942291. The next prime is 19942333. The reversal of 19942316 is 61324991.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695 + ... + 6353.

It is an arithmetic number, because the mean of its divisors is an integer number (2912070).

Almost surely, 2^19942316 is an apocalyptic number.

It is an amenable number.

19942316 is a deficient number, since it is larger than the sum of its proper divisors (15002524).

19942316 is a wasteful number, since it uses less digits than its factorization.

19942316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6544 (or 6542 counting only the distinct ones).

The product of its digits is 11664, while the sum is 35.

The square root of 19942316 is about 4465.6820307765. The cubic root of 19942316 is about 271.1805462562.

The spelling of 19942316 in words is "nineteen million, nine hundred forty-two thousand, three hundred sixteen".