434420254 has 4 divisors (see below), whose sum is σ = 651630384. Its totient is φ = 217210126.

The previous prime is 434420243. The next prime is 434420269. The reversal of 434420254 is 452024434.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108605062 + ... + 108605065.

It is an arithmetic number, because the mean of its divisors is an integer number (162907596).

Almost surely, 2^434420254 is an apocalyptic number.

434420254 is a deficient number, since it is larger than the sum of its proper divisors (217210130).

434420254 is a wasteful number, since it uses less digits than its factorization.

434420254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217210129.

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 434420254 is about 20842.7506342133. The cubic root of 434420254 is about 757.3617281120.

Adding to 434420254 its reverse (452024434), we get a palindrome (886444688).

The spelling of 434420254 in words is "four hundred thirty-four million, four hundred twenty thousand, two hundred fifty-four".