434381 has 4 divisors (see below), whose sum is σ = 441564. Its totient is φ = 427200.

The previous prime is 434377. The next prime is 434383. The reversal of 434381 is 183434.

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 11881 + 422500 = 109^2 + 650^2 .

It is a cyclic number.

It is not a de Polignac number, because 434381 - 2² = 434377 is a prime.

It is a super-2 number, since 2×434381² = 377373706322, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434383) 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, 3500 + ... + 3621.

It is an arithmetic number, because the mean of its divisors is an integer number (110391).

2⁴³⁴³⁸¹ is an apocalyptic number.

It is an amenable number.

434381 is a deficient number, since it is larger than the sum of its proper divisors (7183).

434381 is an equidigital number, since it uses as much as digits as its factorization.

434381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7182.

The product of its digits is 1152, while the sum is 23.

The square root of 434381 is about 659.0758681669. The cubic root of 434381 is about 75.7338915814.

The spelling of 434381 in words is "four hundred thirty-four thousand, three hundred eighty-one".