1428519 has 8 divisors (see below), whose sum is σ = 1924720. Its totient is φ = 942336.

The previous prime is 1428491. The next prime is 1428521. The reversal of 1428519 is 9158241.

It is a happy number.

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

It is not a de Polignac number, because 1428519 - 2¹¹ = 1426471 is a prime.

It is a super-2 number, since 2×1428519² = 4081333066722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2164 + ... + 2745.

It is an arithmetic number, because the mean of its divisors is an integer number (240590).

2^1428519 is an apocalyptic number.

1428519 is a deficient number, since it is larger than the sum of its proper divisors (496201).

1428519 is an equidigital number, since it uses as much as digits as its factorization.

1428519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5009.

The product of its digits is 2880, while the sum is 30.

The square root of 1428519 is about 1195.2066766882. The cubic root of 1428519 is about 112.6234102509.

The spelling of 1428519 in words is "one million, four hundred twenty-eight thousand, five hundred nineteen".