19390982 has 32 divisors (see below), whose sum is σ = 34927200. Its totient is φ = 7976448.

The previous prime is 19390981. The next prime is 19391003. The reversal of 19390982 is 28909391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19390981) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7244 + ... + 9552.

It is an arithmetic number, because the mean of its divisors is an integer number (1091475).

Almost surely, 2^19390982 is an apocalyptic number.

19390982 is a deficient number, since it is larger than the sum of its proper divisors (15536218).

19390982 is a wasteful number, since it uses less digits than its factorization.

19390982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 19390982 is about 4403.5192743986. The cubic root of 19390982 is about 268.6580971501.

The spelling of 19390982 in words is "nineteen million, three hundred ninety thousand, nine hundred eighty-two".