434287678 has 32 divisors (see below), whose sum is σ = 759971808. Its totient is φ = 183936000.

The previous prime is 434287669. The next prime is 434287687. The reversal of 434287678 is 876782434.

It is an interprime number because it is at equal distance from previous prime (434287669) and next prime (434287687).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32026 + ... + 43522.

It is an arithmetic number, because the mean of its divisors is an integer number (23749119).

Almost surely, 2^434287678 is an apocalyptic number.

434287678 is a deficient number, since it is larger than the sum of its proper divisors (325684130).

434287678 is a wasteful number, since it uses less digits than its factorization.

434287678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11628.

The product of its digits is 1806336, while the sum is 49.

The square root of 434287678 is about 20839.5700051609. The cubic root of 434287678 is about 757.2846766061.

The spelling of 434287678 in words is "four hundred thirty-four million, two hundred eighty-seven thousand, six hundred seventy-eight".