434289238 has 8 divisors (see below), whose sum is σ = 653312232. Its totient is φ = 216518496.

The previous prime is 434289227. The next prime is 434289269. The reversal of 434289238 is 832982434.

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

It is a junction number, because it is equal to n+sod(n) for n = 434289194 and 434289203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312195 + ... + 313582.

It is an arithmetic number, because the mean of its divisors is an integer number (81664029).

Almost surely, 2^434289238 is an apocalyptic number.

434289238 is a deficient number, since it is larger than the sum of its proper divisors (219022994).

434289238 is a wasteful number, since it uses less digits than its factorization.

434289238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626126.

The product of its digits is 331776, while the sum is 43.

The square root of 434289238 is about 20839.6074339225. The cubic root of 434289238 is about 757.2855833497.

The spelling of 434289238 in words is "four hundred thirty-four million, two hundred eighty-nine thousand, two hundred thirty-eight".