434778168 has 48 divisors (see below), whose sum is σ = 1194749640. Its totient is φ = 131750080.

The previous prime is 434778163. The next prime is 434778173. The reversal of 434778168 is 861877434.

It is an interprime number because it is at equal distance from previous prime (434778163) and next prime (434778173).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434778163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71955 + ... + 77762.

Almost surely, 2^434778168 is an apocalyptic number.

It is an amenable number.

434778168 is an abundant number, since it is smaller than the sum of its proper divisors (759971472).

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

434778168 is a wasteful number, since it uses less digits than its factorization.

434778168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149748 (or 149733 counting only the distinct ones).

The product of its digits is 903168, while the sum is 48.

The square root of 434778168 is about 20851.3349212946. The cubic root of 434778168 is about 757.5696649759.

The spelling of 434778168 in words is "four hundred thirty-four million, seven hundred seventy-eight thousand, one hundred sixty-eight".