15988042 has 8 divisors (see below), whose sum is σ = 27408096. Its totient is φ = 6852012.

The previous prime is 15988003. The next prime is 15988051. The reversal of 15988042 is 24088951.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 15987992 and 15988010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570988 + ... + 571015.

It is an arithmetic number, because the mean of its divisors is an integer number (3426012).

Almost surely, 2^15988042 is an apocalyptic number.

15988042 is a deficient number, since it is larger than the sum of its proper divisors (11420054).

15988042 is a wasteful number, since it uses less digits than its factorization.

15988042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142012.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 15988042 is about 3998.5049706109. The cubic root of 15988042 is about 251.9214187672.

The spelling of 15988042 in words is "fifteen million, nine hundred eighty-eight thousand, forty-two".