15982946 has 16 divisors (see below), whose sum is σ = 27644544. Its totient is φ = 6788544.

The previous prime is 15982943. The next prime is 15982957. The reversal of 15982946 is 64928951.

It is a junction number, because it is equal to n+sod(n) for n = 15982897 and 15982906.

It is not an unprimeable number, because it can be changed into a prime (15982943) 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, 3470 + ... + 6633.

It is an arithmetic number, because the mean of its divisors is an integer number (1727784).

Almost surely, 2^15982946 is an apocalyptic number.

15982946 is a deficient number, since it is larger than the sum of its proper divisors (11661598).

15982946 is a wasteful number, since it uses less digits than its factorization.

15982946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10225.

The product of its digits is 155520, while the sum is 44.

The square root of 15982946 is about 3997.8676816523. The cubic root of 15982946 is about 251.8946502617.

The spelling of 15982946 in words is "fifteen million, nine hundred eighty-two thousand, nine hundred forty-six".