434590398 has 24 divisors (see below), whose sum is σ = 1027214136. Its totient is φ = 131694000.

The previous prime is 434590393. The next prime is 434590399. The reversal of 434590398 is 893095434.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434590391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1097253 + ... + 1097648.

It is an arithmetic number, because the mean of its divisors is an integer number (42800589).

Almost surely, 2^434590398 is an apocalyptic number.

434590398 is an abundant number, since it is smaller than the sum of its proper divisors (592623738).

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

434590398 is a wasteful number, since it uses less digits than its factorization.

434590398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194920 (or 2194917 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 434590398 is about 20846.8318456306. The cubic root of 434590398 is about 757.4605907021.

The spelling of 434590398 in words is "four hundred thirty-four million, five hundred ninety thousand, three hundred ninety-eight".