15985146 has 8 divisors (see below), whose sum is σ = 31970304. Its totient is φ = 5328380.

The previous prime is 15985141. The next prime is 15985157. The reversal of 15985146 is 64158951.

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

15985146 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (15985141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1332090 + ... + 1332101.

It is an arithmetic number, because the mean of its divisors is an integer number (3996288).

Almost surely, 2^15985146 is an apocalyptic number.

15985146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15985146 is a wasteful number, since it uses less digits than its factorization.

15985146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664196.

The product of its digits is 43200, while the sum is 39.

The square root of 15985146 is about 3998.1428188598. The cubic root of 15985146 is about 251.9062072217.

The spelling of 15985146 in words is "fifteen million, nine hundred eighty-five thousand, one hundred forty-six".