431424198 has 64 divisors (see below), whose sum is σ = 1019977920. Its totient is φ = 134701056.

The previous prime is 431424197. The next prime is 431424209. The reversal of 431424198 is 891424134.

It is a happy number.

431424198 is a `hidden beast` number, since 43 + 1 + 424 + 198 = 666.

It is a super-2 number, since 2×431424198² = 372253677239886408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431424193) 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, 212886 + ... + 214902.

It is an arithmetic number, because the mean of its divisors is an integer number (15937155).

Almost surely, 2^431424198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431424198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509988960).

431424198 is an abundant number, since it is smaller than the sum of its proper divisors (588553722).

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

431424198 is a wasteful number, since it uses less digits than its factorization.

431424198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278 (or 2272 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 431424198 is about 20770.7534287998. The cubic root of 431424198 is about 755.6166171511.

It can be divided in two parts, 43 and 1424198, that added together give a palindrome (1424241).

The spelling of 431424198 in words is "four hundred thirty-one million, four hundred twenty-four thousand, one hundred ninety-eight".