1434869 has 4 divisors (see below), whose sum is σ = 1461996. Its totient is φ = 1407744.

The previous prime is 1434857. The next prime is 1434883. The reversal of 1434869 is 9684341.

1434869 is nontrivially palindromic in base 2.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 879844 + 555025 = 938^2 + 745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1434869 is a prime.

It is a super-2 number, since 2×1434869² = 4117698094322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1434469) 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, 13484 + ... + 13589.

It is an arithmetic number, because the mean of its divisors is an integer number (365499).

2^1434869 is an apocalyptic number.

It is an amenable number.

1434869 is a deficient number, since it is larger than the sum of its proper divisors (27127).

1434869 is an equidigital number, since it uses as much as digits as its factorization.

1434869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27126.

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

The square root of 1434869 is about 1197.8601754796. The cubic root of 1434869 is about 112.7900400726.

The spelling of 1434869 in words is "one million, four hundred thirty-four thousand, eight hundred sixty-nine".