434525418 has 64 divisors (see below), whose sum is σ = 992517120. Its totient is φ = 140863536.

The previous prime is 434525417. The next prime is 434525437. The reversal of 434525418 is 814525434.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (434525417) 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, 299571 + ... + 301017.

It is an arithmetic number, because the mean of its divisors is an integer number (15508080).

Almost surely, 2^434525418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 434525418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (496258560).

434525418 is an abundant number, since it is smaller than the sum of its proper divisors (557991702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

434525418 is a wasteful number, since it uses less digits than its factorization.

434525418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608 (or 1602 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 434525418 is about 20845.2732771725. The cubic root of 434525418 is about 757.4228369592.

The spelling of 434525418 in words is "four hundred thirty-four million, five hundred twenty-five thousand, four hundred eighteen".