434242388 has 24 divisors (see below), whose sum is σ = 770642208. Its totient is φ = 214069856.

The previous prime is 434242387. The next prime is 434242399. The reversal of 434242388 is 883242434.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434242387) 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, 215795 + ... + 217797.

It is an arithmetic number, because the mean of its divisors is an integer number (32110092).

Almost surely, 2^434242388 is an apocalyptic number.

It is an amenable number.

434242388 is a deficient number, since it is larger than the sum of its proper divisors (336399820).

434242388 is a wasteful number, since it uses less digits than its factorization.

434242388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2743 (or 2741 counting only the distinct ones).

The product of its digits is 147456, while the sum is 38.

The square root of 434242388 is about 20838.4833421245. The cubic root of 434242388 is about 757.2583510336.

The spelling of 434242388 in words is "four hundred thirty-four million, two hundred forty-two thousand, three hundred eighty-eight".