19398082 has 16 divisors (see below), whose sum is σ = 31819392. Its totient is φ = 8795920.

The previous prime is 19398047. The next prime is 19398109. The reversal of 19398082 is 28089391.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11463 + ... + 13045.

It is an arithmetic number, because the mean of its divisors is an integer number (1988712).

Almost surely, 2^19398082 is an apocalyptic number.

19398082 is a deficient number, since it is larger than the sum of its proper divisors (12421310).

19398082 is a wasteful number, since it uses less digits than its factorization.

19398082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 19398082 is about 4404.3253739932. The cubic root of 19398082 is about 268.6908828325.

The spelling of 19398082 in words is "nineteen million, three hundred ninety-eight thousand, eighty-two".