434030639 has 4 divisors (see below), whose sum is σ = 496035024. Its totient is φ = 372026256.

The previous prime is 434030629. The next prime is 434030647. The reversal of 434030639 is 936030434.

It is a happy number.

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

It is not a de Polignac number, because 434030639 - 2¹² = 434026543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434030629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31002182 + ... + 31002195.

It is an arithmetic number, because the mean of its divisors is an integer number (124008756).

Almost surely, 2^434030639 is an apocalyptic number.

434030639 is a deficient number, since it is larger than the sum of its proper divisors (62004385).

434030639 is an equidigital number, since it uses as much as digits as its factorization.

434030639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62004384.

The product of its (nonzero) digits is 23328, while the sum is 32.

The square root of 434030639 is about 20833.4020025535. The cubic root of 434030639 is about 757.1352440825.

The spelling of 434030639 in words is "four hundred thirty-four million, thirty thousand, six hundred thirty-nine".