19848045 has 32 divisors (see below), whose sum is σ = 36460800. Its totient is φ = 9031680.

The previous prime is 19848041. The next prime is 19848047. The reversal of 19848045 is 54084891.

It is not a de Polignac number, because 19848045 - 2² = 19848041 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 19847994 and 19848012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19848041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43981 + ... + 44429.

It is an arithmetic number, because the mean of its divisors is an integer number (1139400).

Almost surely, 2^19848045 is an apocalyptic number.

19848045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19848045 is a deficient number, since it is larger than the sum of its proper divisors (16612755).

19848045 is a wasteful number, since it uses less digits than its factorization.

19848045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885.

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

The square root of 19848045 is about 4455.1144766437. The cubic root of 19848045 is about 270.7525643701.

The spelling of 19848045 in words is "nineteen million, eight hundred forty-eight thousand, forty-five".