1428719926 has 8 divisors (see below), whose sum is σ = 2175066360. Its totient is φ = 703697808.

The previous prime is 1428719893. The next prime is 1428719927. The reversal of 1428719926 is 6299178241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1428719926.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428719927) 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 3 ways as a sum of consecutive naturals, for example, 5330911 + ... + 5331178.

It is an arithmetic number, because the mean of its divisors is an integer number (271883295).

Almost surely, 2^1428719926 is an apocalyptic number.

1428719926 is a deficient number, since it is larger than the sum of its proper divisors (746346434).

1428719926 is a wasteful number, since it uses less digits than its factorization.

1428719926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10662158.

The product of its digits is 435456, while the sum is 49.

The square root of 1428719926 is about 37798.4116862071. The cubic root of 1428719926 is about 1126.2869029048.

The spelling of 1428719926 in words is "one billion, four hundred twenty-eight million, seven hundred nineteen thousand, nine hundred twenty-six".