434078 has 12 divisors (see below), whose sum is σ = 692592. Its totient is φ = 204000.

The previous prime is 434039. The next prime is 434081. The reversal of 434078 is 870434.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

434078 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 5 ways as a sum of consecutive naturals, for example, 203 + ... + 953.

It is an arithmetic number, because the mean of its divisors is an integer number (57716).

2⁴³⁴⁰⁷⁸ is an apocalyptic number.

434078 is a deficient number, since it is larger than the sum of its proper divisors (258514).

434078 is a wasteful number, since it uses less digits than its factorization.

434078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787 (or 770 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 434078 is about 658.8459607526. The cubic root of 434078 is about 75.7162782367.

The spelling of 434078 in words is "four hundred thirty-four thousand, seventy-eight".