1434689 has 4 divisors (see below), whose sum is σ = 1443156. Its totient is φ = 1426224.

The previous prime is 1434679. The next prime is 1434691. The reversal of 1434689 is 9864341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9864341 = 263 ⋅37507.

It can be written as a sum of positive squares in 2 ways, for example, as 846400 + 588289 = 920^2 + 767^2 .

It is a cyclic number.

It is not a de Polignac number, because 1434689 - 2¹² = 1430593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1434679) 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, 3974 + ... + 4319.

It is an arithmetic number, because the mean of its divisors is an integer number (360789).

2^1434689 is an apocalyptic number.

It is an amenable number.

1434689 is a deficient number, since it is larger than the sum of its proper divisors (8467).

1434689 is an equidigital number, since it uses as much as digits as its factorization.

1434689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8466.

The product of its digits is 20736, while the sum is 35.

The square root of 1434689 is about 1197.7850391452. The cubic root of 1434689 is about 112.7853234849.

The spelling of 1434689 in words is "one million, four hundred thirty-four thousand, six hundred eighty-nine".