434144217 has 32 divisors (see below), whose sum is σ = 639959040. Its totient is φ = 260124480.

The previous prime is 434144153. The next prime is 434144233. The reversal of 434144217 is 712441434.

It is not a de Polignac number, because 434144217 - 2⁶ = 434144153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (434144257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 437592 + ... + 438582.

It is an arithmetic number, because the mean of its divisors is an integer number (19998720).

Almost surely, 2^434144217 is an apocalyptic number.

434144217 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

434144217 is a deficient number, since it is larger than the sum of its proper divisors (205814823).

434144217 is a wasteful number, since it uses less digits than its factorization.

434144217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293.

The product of its digits is 10752, while the sum is 30.

The square root of 434144217 is about 20836.1276872647. The cubic root of 434144217 is about 757.2012812076.

The spelling of 434144217 in words is "four hundred thirty-four million, one hundred forty-four thousand, two hundred seventeen".