15994342 has 16 divisors (see below), whose sum is σ = 29528352. Its totient is φ = 6327360.

The previous prime is 15994327. The next prime is 15994343. The reversal of 15994342 is 24349951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15994343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43759 + ... + 44122.

It is an arithmetic number, because the mean of its divisors is an integer number (1845522).

Almost surely, 2^15994342 is an apocalyptic number.

15994342 is a deficient number, since it is larger than the sum of its proper divisors (13534010).

15994342 is a wasteful number, since it uses less digits than its factorization.

15994342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87903.

The product of its digits is 38880, while the sum is 37.

The square root of 15994342 is about 3999.2926874636. The cubic root of 15994342 is about 251.9545038383.

The spelling of 15994342 in words is "fifteen million, nine hundred ninety-four thousand, three hundred forty-two".