19398102 has 16 divisors (see below), whose sum is σ = 38926272. Its totient is φ = 6444360.

The previous prime is 19398047. The next prime is 19398109. The reversal of 19398102 is 20189391.

It is a super-2 number, since 2×19398102² = 752572722404808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19398109) 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 7 ways as a sum of consecutive naturals, for example, 3424 + ... + 7107.

It is an arithmetic number, because the mean of its divisors is an integer number (2432892).

Almost surely, 2^19398102 is an apocalyptic number.

19398102 is an abundant number, since it is smaller than the sum of its proper divisors (19528170).

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

19398102 is a wasteful number, since it uses less digits than its factorization.

19398102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10843.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 19398102 is about 4404.3276444879. The cubic root of 19398102 is about 268.6909751752.

The spelling of 19398102 in words is "nineteen million, three hundred ninety-eight thousand, one hundred two".