19434001 has 4 divisors (see below), whose sum is σ = 19553392. Its totient is φ = 19314612.

The previous prime is 19433989. The next prime is 19434053. The reversal of 19434001 is 10043491.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 19434001 - 2⁵ = 19433969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19434071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59451 + ... + 59776.

It is an arithmetic number, because the mean of its divisors is an integer number (4888348).

Almost surely, 2^19434001 is an apocalyptic number.

It is an amenable number.

19434001 is a deficient number, since it is larger than the sum of its proper divisors (119391).

19434001 is a wasteful number, since it uses less digits than its factorization.

19434001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119390.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 19434001 is about 4408.4011841029. The cubic root of 19434001 is about 268.8566235661.

Adding to 19434001 its reverse (10043491), we get a palindrome (29477492).

The spelling of 19434001 in words is "nineteen million, four hundred thirty-four thousand, one".