434128736 has 12 divisors (see below), whose sum is σ = 854691012. Its totient is φ = 217064352.

The previous prime is 434128729. The next prime is 434128741. The reversal of 434128736 is 637821434.

It is a self number, because there is not a number n which added to its sum of digits gives 434128736.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6783230 + ... + 6783293.

It is an arithmetic number, because the mean of its divisors is an integer number (71224251).

Almost surely, 2^434128736 is an apocalyptic number.

It is an amenable number.

434128736 is a deficient number, since it is larger than the sum of its proper divisors (420562276).

434128736 is a wasteful number, since it uses less digits than its factorization.

434128736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13566533 (or 13566525 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 434128736 is about 20835.7561897811. The cubic root of 434128736 is about 757.1922808402.

The spelling of 434128736 in words is "four hundred thirty-four million, one hundred twenty-eight thousand, seven hundred thirty-six".