19425426 has 16 divisors (see below), whose sum is σ = 38906400. Its totient is φ = 6465888.

The previous prime is 19425421. The next prime is 19425449. The reversal of 19425426 is 62452491.

It is not an unprimeable number, because it can be changed into a prime (19425421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3270 + ... + 7038.

It is an arithmetic number, because the mean of its divisors is an integer number (2431650).

Almost surely, 2^19425426 is an apocalyptic number.

19425426 is an abundant number, since it is smaller than the sum of its proper divisors (19480974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19425426 is a wasteful number, since it uses less digits than its factorization.

19425426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4633.

The product of its digits is 17280, while the sum is 33.

The square root of 19425426 is about 4407.4285019726. The cubic root of 19425426 is about 268.8170745868.

The spelling of 19425426 in words is "nineteen million, four hundred twenty-five thousand, four hundred twenty-six".