19796153 has 12 divisors (see below), whose sum is σ = 21966588. Its totient is φ = 17821440.

The previous prime is 19796141. The next prime is 19796173. The reversal of 19796153 is 35169791.

It can be written as a sum of positive squares in 6 ways, for example, as 6017209 + 13778944 = 2453^2 + 3712^2 .

It is not a de Polignac number, because 19796153 - 2¹² = 19792057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 19796153.

It is not an unprimeable number, because it can be changed into a prime (19796173) 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 11 ways as a sum of consecutive naturals, for example, 5501 + ... + 8357.

It is an arithmetic number, because the mean of its divisors is an integer number (1830549).

Almost surely, 2^19796153 is an apocalyptic number.

19796153 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

19796153 is a deficient number, since it is larger than the sum of its proper divisors (2170435).

19796153 is a wasteful number, since it uses less digits than its factorization.

19796153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924 (or 2911 counting only the distinct ones).

The product of its digits is 51030, while the sum is 41.

The square root of 19796153 is about 4449.2867967799. The cubic root of 19796153 is about 270.5164008219.

The spelling of 19796153 in words is "nineteen million, seven hundred ninety-six thousand, one hundred fifty-three".