434963778 has 16 divisors (see below), whose sum is σ = 870484320. Its totient is φ = 144895136.

The previous prime is 434963777. The next prime is 434963783. The reversal of 434963778 is 877369434.

It is a happy number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 434963778.

It is not an unprimeable number, because it can be changed into a prime (434963773) 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 7 ways as a sum of consecutive naturals, for example, 12675 + ... + 32102.

It is an arithmetic number, because the mean of its divisors is an integer number (54405270).

Almost surely, 2^434963778 is an apocalyptic number.

434963778 is an abundant number, since it is smaller than the sum of its proper divisors (435520542).

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

434963778 is a wasteful number, since it uses less digits than its factorization.

434963778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46401.

The product of its digits is 3048192, while the sum is 51.

The square root of 434963778 is about 20855.7852405514. The cubic root of 434963778 is about 757.6774536607.

It can be divided in two parts, 43496 and 3778, that added together give a palindrome (47274).

The spelling of 434963778 in words is "four hundred thirty-four million, nine hundred sixty-three thousand, seven hundred seventy-eight".