19483965 has 24 divisors (see below), whose sum is σ = 34864128. Its totient is φ = 10055520.

The previous prime is 19483963. The next prime is 19483993. The reversal of 19483965 is 56938491.

It is a happy number.

It is not a de Polignac number, because 19483965 - 2¹ = 19483963 is a prime.

It is a super-3 number, since 3×19483965³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 19483965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19483963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5589 + ... + 8378.

It is an arithmetic number, because the mean of its divisors is an integer number (1452672).

Almost surely, 2^19483965 is an apocalyptic number.

19483965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19483965 is a deficient number, since it is larger than the sum of its proper divisors (15380163).

19483965 is a wasteful number, since it uses less digits than its factorization.

19483965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14009 (or 14006 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 19483965 is about 4414.0644535394. The cubic root of 19483965 is about 269.0868327535.

The spelling of 19483965 in words is "nineteen million, four hundred eighty-three thousand, nine hundred sixty-five".