1434890881 has 8 divisors (see below), whose sum is σ = 1442968200. Its totient is φ = 1426833408.

The previous prime is 1434890869. The next prime is 1434890909. The reversal of 1434890881 is 1880984341.

It can be written as a sum of positive squares in 4 ways, for example, as 453008656 + 981882225 = 21284^2 + 31335^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1434890881 - 2¹³ = 1434882689 is a prime.

It is a super-2 number, since 2×1434890881² = 4117823680753912322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1434890801) 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 7 ways as a sum of consecutive naturals, for example, 154045 + ... + 163093.

It is an arithmetic number, because the mean of its divisors is an integer number (180371025).

Almost surely, 2^1434890881 is an apocalyptic number.

It is an amenable number.

1434890881 is a deficient number, since it is larger than the sum of its proper divisors (8077319).

1434890881 is an equidigital number, since it uses as much as digits as its factorization.

1434890881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9923.

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 1434890881 is about 37879.9535506579. The cubic root of 1434890881 is about 1127.9061339934.

The spelling of 1434890881 in words is "one billion, four hundred thirty-four million, eight hundred ninety thousand, eight hundred eighty-one".