434436681 has 8 divisors (see below), whose sum is σ = 661998784. Its totient is φ = 248249520.

The previous prime is 434436671. The next prime is 434436689. The reversal of 434436681 is 186634434.

It is a happy number.

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

It is not a de Polignac number, because 434436681 - 2⁹ = 434436169 is a prime.

It is a super-2 number, since 2×434436681² = 377470459596591522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434436689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10343710 + ... + 10343751.

It is an arithmetic number, because the mean of its divisors is an integer number (82749848).

Almost surely, 2^434436681 is an apocalyptic number.

It is an amenable number.

434436681 is a deficient number, since it is larger than the sum of its proper divisors (227562103).

434436681 is a wasteful number, since it uses less digits than its factorization.

434436681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20687471.

The product of its digits is 165888, while the sum is 39.

The square root of 434436681 is about 20843.1447003565. The cubic root of 434436681 is about 757.3712741865.

The spelling of 434436681 in words is "four hundred thirty-four million, four hundred thirty-six thousand, six hundred eighty-one".