19828245 has 16 divisors (see below), whose sum is σ = 31787712. Its totient is φ = 10554240.

The previous prime is 19828217. The next prime is 19828253. The reversal of 19828245 is 54282891.

It is not a de Polignac number, because 19828245 - 2⁹ = 19827733 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9409 + ... + 11321.

It is an arithmetic number, because the mean of its divisors is an integer number (1986732).

Almost surely, 2^19828245 is an apocalyptic number.

19828245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19828245 is a deficient number, since it is larger than the sum of its proper divisors (11959467).

19828245 is a wasteful number, since it uses less digits than its factorization.

19828245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612.

The product of its digits is 46080, while the sum is 39.

The square root of 19828245 is about 4452.8917570496. The cubic root of 19828245 is about 270.6625020255.

The spelling of 19828245 in words is "nineteen million, eight hundred twenty-eight thousand, two hundred forty-five".