19344485 has 4 divisors (see below), whose sum is σ = 23213388. Its totient is φ = 15475584.

The previous prime is 19344469. The next prime is 19344499. The reversal of 19344485 is 58444391.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58444391 = 113 ⋅517207.

It can be written as a sum of positive squares in 2 ways, for example, as 6160324 + 13184161 = 2482^2 + 3631^2 .

It is a cyclic number.

It is not a de Polignac number, because 19344485 - 2⁴ = 19344469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1934444 + ... + 1934453.

It is an arithmetic number, because the mean of its divisors is an integer number (5803347).

Almost surely, 2^19344485 is an apocalyptic number.

It is an amenable number.

19344485 is a deficient number, since it is larger than the sum of its proper divisors (3868903).

19344485 is an equidigital number, since it uses as much as digits as its factorization.

19344485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3868902.

The product of its digits is 69120, while the sum is 38.

The square root of 19344485 is about 4398.2365784482. The cubic root of 19344485 is about 268.4431898043.

The spelling of 19344485 in words is "nineteen million, three hundred forty-four thousand, four hundred eighty-five".