1434784385 has 16 divisors (see below), whose sum is σ = 1730456784. Its totient is φ = 1142034432.

The previous prime is 1434784357. The next prime is 1434784427. The reversal of 1434784385 is 5834874341.

It can be written as a sum of positive squares in 8 ways, for example, as 250873921 + 1183910464 = 15839^2 + 34408^2 .

It is a cyclic number.

It is not a de Polignac number, because 1434784385 - 2¹⁴ = 1434768001 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1505069 + ... + 1506021.

It is an arithmetic number, because the mean of its divisors is an integer number (108153549).

Almost surely, 2^1434784385 is an apocalyptic number.

It is an amenable number.

1434784385 is a deficient number, since it is larger than the sum of its proper divisors (295672399).

1434784385 is an equidigital number, since it uses as much as digits as its factorization.

1434784385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164.

The product of its digits is 1290240, while the sum is 47.

The square root of 1434784385 is about 37878.5478206333. The cubic root of 1434784385 is about 1127.8782293248.

The spelling of 1434784385 in words is "one billion, four hundred thirty-four million, seven hundred eighty-four thousand, three hundred eighty-five".