434407842 has 24 divisors (see below), whose sum is σ = 1026782640. Its totient is φ = 131638680.

The previous prime is 434407789. The next prime is 434407859. The reversal of 434407842 is 248704434.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 434407797 and 434407806.

It is an unprimeable 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 11 ways as a sum of consecutive naturals, for example, 1096792 + ... + 1097187.

It is an arithmetic number, because the mean of its divisors is an integer number (42782610).

Almost surely, 2^434407842 is an apocalyptic number.

434407842 is an abundant number, since it is smaller than the sum of its proper divisors (592374798).

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

434407842 is a wasteful number, since it uses less digits than its factorization.

434407842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193998 (or 2193995 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 36.

The square root of 434407842 is about 20842.4528786801. The cubic root of 434407842 is about 757.3545150787.

The spelling of 434407842 in words is "four hundred thirty-four million, four hundred seven thousand, eight hundred forty-two".